| Name | Background | Date | Feast Day |
| Tabitha | See 'Dorcas' | ||
| Tadhg | Irish martyr at Wurtzberg | 08/07 | |
| Talaricanus/Talacrian/Tarkin | Bishop in Caledonia | C6th | 30/10 |
| Talida of Antinoe | Abbess in Egypt | C4th | 05/01 |
| Talmach | of Lough Erc | 14/03 | |
| Tammany/Tamannend | Delaware tribe | C18th | 01/05 |
| Tanca/Tancha/Tranca | virgin martyr, Troyes | d637 | 10/10 |
| Tanco/Tancho/Tatta | Irish Benedictine, Abbot of Amalbarich, Bishop of Werden | d808 | 06/02, 15/02 |
| Tancred, Torthred + Tova | d870 | 30/09 | |
| Taraghta | Virgin, Ireland | 09/02 | |
| Tarasius | Bishop of Constantinople | d806 | 25/02 |
| Tarbula/Tarba/Tarbo | sister of Simeon, virgin martyr Persia | d345 | 22/04 |
| Tarsicius | Roman martyr | C4th | 15/08 |
| Tarsitia/Tarscia/Tarsicia | of Rodez, France hermitess, gdau Clotaire I | d606 | 15/01 |
| Tarskius, Zoticus + Cyriacus | martyrs, Alexandria | 31/01 | |
| Tassach/Asicus | Bishop of Raholp Ireland | d c495 | 14/04 |
| Tassach/As(s)icus | Bishop of Elphin Ireland | d470 | 27/04 |
| Tathal/Tathan/Tathai/Tahai/Athan/Athaeus | Abbot of Llantathan nephew of Sampson of Dol | C6th | 26/12 |
| Tatiana/Tania | virgin martyr, Rome | 12/01 | |
| Tatiana, Mertios + Euthasia | Roman martyrs | d c230 | 12/01 |
| Tation | martyr in Bithynia | c304 | |
| Tatwin(e) | Archbishop of Canterbury | d734 | 30/07 |
| Taurinus | Bishop of Evreux | d c412 | 11/08 (Invention 05/09) |
| Teath | dau Brychan (maybe same as Ita) | 15/01 | |
| Teilo/Teillo/Teilu/Theliau/Eliud/Issell/Dub | Bishop of Llandaff | d560 | 09/02 |
| Telemachus/Almachius | Stoned to death at games, Rome | d c400 | 01/01 |
| Telesphorus | Pope | C2nd | 05/01 |
| Tenenan(us) | Bishop of Léon, British | C7th | 16/07 (11/10) |
| Terentian | Bishop of Todi, martyr | d118 | 01/09 |
| Terentius/Terence | Bishop of Iconium, martyr | C1st | 21/06 |
| Terentius/Terence, Africanus, Pompeius + comps (50 in all) | martyrs | d c250 | 10/04 |
| Terentius + Fidentius | 27/09, 28/09 | ||
| Terentius | Bishop of Metz | d c520 | 29/10 (Trans 16/05) |
| Teresa + Sanchia | Daughters of Sancho I of Portugal | C13th | 17/06 |
| Teresa de los Andes (Juanita Fernandez Solar) | Carmelite nun, Chile | 1900-20 | 13/07 |
| Teresa Couderc | Foundress, Religious of Our Lady of the Retreat in the Cenacle | 1805-85 | 26/09 |
| Teresa Fantou, Francoise Lanel, Madeleine Fontaine + Joan Gerard, Blessed | martyrs in France | d1794 | 26/06 |
| Teresa Margaret (Anna Maria) Redi | Carmelite nun, Florence | 1747-70 | 11/03 |
| Teresa/Theresa/Thecia | of Avila, Carmelite nun | 1515-82 | 15/10 |
| Teresa of Jesus Jornet e Ibars | Foundress 'Little sisters of the Poor', Spain | 1843-97 | 26/08 |
| Teresa/Theresa/Th¾ rÀ se of Lisieux | a Jesu Infante/of the Child Jesus/Little flower of Jesus, Carmelite nun | 1873-97 | 01/10 (03/10) |
| Ternan/Torannan | Bishop of the Picts, founder of Culross Abbey | C5th | 12/06 |
| Ternatius | Bishop of Besancon | d680 | 08/08 |
| Tertullian | Bishop of Bologna | d490 | 27/04 |
| Tertullinus | Roman martyr | d257 | 04/08 |
| Tertullinus | 31/07 | ||
| Tesochus | d782 | 18/09 | |
| Tetricus | Bishop of Tours, son successor of Gregory | d572 | 20/03 |
| Tetricus | Bishop of Auxerre | d707 | 12/04 |
| Tetta | Abbess of Wimborne | d c772 | 28/09 |
| Tewdric/Theodoric | King of Morgannwg | d595 | 01/04 |
| Thaddeus/Machar | 25/10 | ||
| Thais | penitent, Alexandria | C4th | 08/10 |
| Thalelaeus, Asterius, Alexander + comps | martyrs in Cilicia | d284 | 20/05 |
| Thalilaeus Epiklautos ('weeping much') | hermit near Gabala, mod Syria | d450 | 27/02 |
| Thamel + comps | Roman martyrs in Eastern Empire | d125 | 04/09 |
| Tarachus/Tharacus, Andronicus + Probus | Martyrs, Cilicia | d304 | 12/10 |
| Thea, Valentine/a + Paul | martyrs in Gaza | c225 | 25/07 |
| Thebaides | 22/09 (24/11 Commemoration) | ||
| Thecla | 20/12 | ||
| Thecla/Tegla of the Well | virgin Denbighshire | 01/06 | |
| Thecla/Tecla (Heilga) | Nun, Wimborne then Abbess of Kitzingen | d790 | 15/10 |
| Thecla/Theokleia | Virgin of Iconicum | C1st | 23/09 |
| Thecla Nangashi, Blessed | Martyr of Japan, wife of Paul Nangashi | d1622 | 10/09 |
| Thelassius/Thalassius + Limneus | Hermits in Syria | C5th | 22/02 |
| Themistocles + Dioscurus | martyrs in Lycia | d253 | 21/12 |
| Theneva/Thenova/Thanay/Thenu/Denw/Dwynwen/Enoch | of Glasgow, mother of Kentigern | C7th | 18/07 (01/25, 13/09) |
| Theobald | 01/07, 08/07, 09/07 | ||
| Theobald | 03/10 | ||
| Theobald | Archbishop of Vienne | d1001 | 21/05 (16/05) |
| Theobald Roggeris | penitent & pilgrim, Piedmont | d1150 | 01/06, 02/06 |
| Theobald of Marly | Cistercian Abbot of Vaux-de-Cernay | d1247 | 27/07 |
| Theobald of Provins | hermit priest near Vincenza | 1017-66 | 30/06 |
| Theoctiste | nun & hermitess on Paros in the Aegean | C10th | 10/11 |
| Theodard | Bishop of Maestricht | d670 | 10/09 |
| Theodard/Audard | Archbishop of Narbonne | d893 | 01/05 |
| Theodemir | monk & martyr, Cordoba | d851 | 25/07 |
| Theodemar/Thethmar | Premonstratensian canon & missionary to Wends | d1152 | 17/05 |
| Theodechildis/Telchildis | 1st Abbess of Jouarre, Meaux | d660 | 28/06 |
| Theodogar | 30/10 | ||
| Theodora + Didymus | Alexandria | C3rd | 28/04 |
| Theodora | Roman martyr | d130 | 01/04 |
| Theodora | 17/11 | ||
| Theodora Empress | wife of Theophilus | d867 | 01/08 11/02 |
| Theodora of Alexandria | penitent & hermit | d491 | 11/09 |
| Theodora | Roman martyr | d305 | 17/09 |
| Theodora | of Thessalonica | 05/04 Orth | |
| Theodore + Pausilippus | martyrs at Byzantium | d130 | 05/04 |
| Theodore + Theophanes | brothers & monks, St Sabbas, Jerusalem | d c841 | 28/12 (27/12) |
| Theodore | 21/09 | ||
| Theodore | 23/03 | ||
| Theodore | Abbot of Crowland + Askega Swithin Elfgete Ulric Savinus Egdred Grimkeld + Agamund martyred by Danes | 870 | 09/04 |
| Theodore | Bishop of Bologna | d c550 | 05/05 |
| Theodore | Bishop of Cyrene martyr | d310 | 04/07 |
| Theodore | Bishop of Octodurum | 16/08 | |
| Theodore | Bishop of Pavia | C8th | 20/05 |
| Theodore | Desert hermit, disc. of Ammonius, Egypt | C4th | 07/01 |
| Theodore, his mother, Philippa, Socrates + Dionysius | Martyrs, Pamphilia | d220 | 20/09 |
| Theodore, Oceanus, Ammianius + Julian | Martyrs in Eastern Empire | d310 | 04/09 |
| Theodore of Sykeon | Bishop of Anstasioupolos | d c613 | 22/04 21/04 |
| Theodore of Tarsus | Archbishop of Canterbury | 602-90 | 19/09 |
| Theodore the Sacrist | St Peter's Rome | C6th | 26/12 |
| Theodore the Sanctified/Holy | Abbot of Tabenna | d368 | 27/04 (Orth 16/05) |
| Theodore the Studite | Abbot of Studios, Constantinople | 759-826 | 11/11 (22/11) |
| Theodore/Theodoret/Theoderic | of Antioch, priest martyr | d362 | 23/10 |
| Theodore/Theodorus Stratelates | the General/of Heraclea, martyr | c 320 | 07/02 |
| Theodore/Theuderius/Theodoric + comps (Irenacus, Serapion, + Ammonius) | Bishop of Pentapolis | C3rd | 26/03 |
| Theodore Trichinas 'the hairy' | hermit near Constantinople | d330 | 20/04 |
| Theodore Tyro/Tyron 'the Recruit' | Roman martyr, Pontus | C4th | 09/11 (17/02) |
| Theodoric | Bishop of Cambrai-Arras | d863 | 05/08 |
| Theodoric | Bishop of Ninden, killed by Norsemen | d880 | 02/02 |
| Theodoric II | Bishop of Orleans | d1022 | 27/01 |
| Theodoric of Emden | Franciscan martyr, Gorkum, Netherlands | d1572 | 09/10 |
| Theodoric/Theoderic | 23/10 | ||
| Theodoric/Theoderic/Derek/Thierry | Abbot of Mont d'Or, Rheims | d533 | 01/07 |
| Theodorius | 18/03 | ||
| Theodosia | virgin from Tyre martyred in Caesarea | d308 | 02/04 (09/04) |
| Theodosia | martyred nun, Constantinople | d745 | 29/05 |
| Theodosia + 12 comps | female martyrs, Caesarea | d303 | 29/05 |
| Theodosia | 22/07 | ||
| Theodosia | 22/12 | ||
| Theodosios | of Trnovo | d1363 | 27/11 (Orth) |
| Theodosius | Bishop of Auxerre | d516 | 17/07 |
| Theodosius | Bishop of Vaison | d554 | 14/02 |
| Theodosius of Antioch | founder of monastery in Cilicia | d412 | 11/01 |
| Theodosius Pechersky | Abbot of The Caves, Kiev | d1074 | 10/07 |
| Theodosius + comps (Lucius, Mark, Peter) | 50 soldier martyrs | d269 | 11/01 |
| Theodosius the Cenobiarc(h) | Abbot/founder in Palestine | d529 | 11/01 |
| Theodota/Theodata | penitent martyr, Thrace | d318 | 29/09 |
| Theodota | Martyr in Constantinople | d735 | 17/07 |
| Theodota + 3 sons incl St Evodius | martyrs, Nicaea | d304 | 02/08 |
| Theodotus/Theodatus + 7 virgins (Alexandra, Thecusa, Claudia, Euphrasia, Julitta, Faina/Phaina + Matrona) | martyrs, Ancyra, Galatia | d304 | 10/05, 18/05 |
| Theodotus | Bishop of Cyrenia | d325 | 06/05 |
| Theodotus | Bishop of Laodicea | d334 | 02/11 |
| Theodotus, Rufina + Ammia | Martyrs in Cappadocia | d270 | 31/08 |
| Theodoulos + Agathopous | (Orth) 04/04 | ||
| Theodulphus/Thiou | Abbot/Bishop of Lobbes, nr Liege | d776 | 24/06 |
| Theodulus/Theodulas (+ Julian) | martyr in Palestine | d309 | 17/02 |
| Theodulus/Theodore/Theodoricus | priest in Antioch | 23/03 | |
| Theodulus/Theodore of Grammont | Bishop of Valais | C4th | 17/08 |
| Theodulus, Anesius, Felix, Cornelia + comps | Martyrs in Africa | 31/03 | |
| Theodulus, Saturninus, Euporus, Gelasius, Eunician, C/Leomenes, Basilides, Agathopus, Zeticus + Evaristus | Martyrs on Crete | d250 | 23/12 |
| Theofrid | Abbot of Corbie & Bishop | d690 | 26/01 |
| Theofrid | 18/11 | ||
| Theofrid/Theoftoy/Chaffre | Abbot of Carmery-en-Velay, martyred by Saracens | d728 | 19/10 |
| Theonas | Bishop of Alexandria | d300 | 23/08 |
| Theonestus | Bishop of Philippi | d425 | 30/10 |
| Theopemptus/Theopompus/Heopompus + Theonas/Synesius | Bishop of Nicomedia, martyrs | d284 | 03/01 |
| Theophanes the Chronicler | Founder of two monasteries in Mysia | d818 | 12/03, 13/03 |
| Theophanes + 3 comps | Byzantine martyrs | d815 | 04/12 |
| Theophane Venard | French missionary, martyr in Vietnam | 1829-61 | 04/12 |
| Theophilos | of Macedonia | d1548 | (Orth) 08/07 |
| Theophilus | Bishop of Caesarea | d195 | 05/03 |
| Theophilus | Bishop of Brescia | d427 | 27/04 |
| Theophilus | Bishop of Antioch | d181 | 13/10 |
| Theophilus | Bulgarian monk & martyr in Asia Minor | d750 | 02/10 |
| Theophilus | Byzantine admiral martyred by Arabs | d789 | 23/07 |
| Theophilus | Patriarch of Alexandria | d412 | |
| Theophilus + Helladius | martyrs in Libya | 08/01 | |
| Theophilus of Corte (Biagio Arrighi) | Franciscan reformer | 1676-1740 | 19/05 |
| Theophilus Scholasticus 'Lawyer' | Martyr at Caesarea | d300 | 06/02 |
| Theophilus the Penitent | Archdeacon in Cilicia | C6th | 04/02 |
| Theophylact | Bishop of Nicomedia | d845 | 07/03 |
| TheoritgithaTheoregitha/Thordgith | of Barking on Thames, nun | d700 | 25/01, 26/01 |
| Theotimus | Bishop of Tomi | d407 | 20/04 |
| Theotimus + Basilian | martyrs in Laodicea | 18/12 | |
| Theotonius | Augustinian Canon, Portugal | 1088-1166 | 18/02 |
| Thespesius | martyr in Cappadocia | d230 | 01/06 |
| Theuderius/Theudar/Theodore/Chef | Abbot of Vienne | d 575 | 29/10 |
| Theusetas, Ilorres, Theodora, Mark, Nymphodora, Arabia | martyrs at Nicaea, Bithynia | 13/03 | |
| Thiemo/Theodinarus | Archbishop of Salzburg | d1102 | 28/09 |
| Thomais | Martyr, Alexandria (killed when refused father-in-law) | d476 | 14/04 |
| Thomas a Becket | Archbishop of Canterbury, martyred by knights of Henry II | 1118-70 | 29/12 (Trans 07/07, Octave 05/01) |
| Thomas Abel (+ Edward Powell, Richard Featherstone) | Chaplain to Catherine of Aragon, English martyrs | d1540 | 30/07 |
| Thomas Akafuji, Blessed | Japanese martyr, catechist to Leonard Kimura | d1622 | 19/09 |
| Thomas Alfield, Blessed | English martyr | d1585 | 06/07 |
| Thomas Aquinas | Dominican priest, Doctor of the Church | 1225-74 | 07/03 (Trans 28/01) |
| Thomas Bosgrave, Blessed | English martyr, Dorchester | d1594 | 04/07 |
| Thomas Cantelupe/ Cantilupe | Bishop of Hereford | 1218-82 | 02/10, 03/10 (Trans 25/08, 26/08, 25/10) |
| Thomas Cottam | Jesuit convert & English martyr | 1549-82 | 30/05 |
| Thomas Didymus (the Twin) | the Apostle | d c72 | 21/12 Vigil 20/12, Trans 03/07 |
| Thomas Danki | Franciscan tertiary, Japanese martyr, Nagasaki | d1597 | 06/02 |
| Thomas De + 4 comps | Shoemaker, martyrs in Vietnam | d1839 | 19/12 |
| Thomas Dien | Vietnamese martyr | d1838 | 21/09 |
| Thomas Du, | Dominican tertiary Vietnamese martyr | 1774-1839 | 31/05 |
| Thomas Felton | Friars Minim, son of Bl John Felton, martyred at Isleworth | d1588 | 28/08 (08/08) |
| Thomas Ford, Blessed | Ordained at Douai, martyred at Tyburn | d1582 | 28/05 |
| Thomas Garnet | English Jesuit, martyred at Tyburn | d1608 | 23/06 |
| Thomas Green, Thomas Scryven + Thomas Reding | English Carthusians martyrs in Newgate | d1538 | 15/06 |
| Thomas Guengoro + wife + son | Martyred for helping Simon Kiota, Japan | d1620 | 18/08 |
| Thomas Helye | 19/10 | ||
| Thomas Hemerford, Blessed + 4 comps | Priest, English College, Rome martyred at Tyburn | d1584 | 12/02 |
| Thomas Holford or Acton, Blessed | Catholic convert martyred at Clerkenwell | d1588 | 28/08 |
| Thomas Holland/ Sanderson/Hammond | Jesuit martyred at Tyburn | d1642 | 12/12 |
| Thomas Johnson, Blessed | English Carthusian martyred in Newgate | d1537 | 20/09 |
| Thomas Kotenda, Blessed + 10 comps | Japanese nobleman educated by Jesuits, martyrs | d1619 | 27/11 |
| Thomas Koyanangi, Blessed | Japanese martyr, Nagasaki | d1622 | 19/08 |
| Thomas Kozaki | Boy martyr, son of St Michael Kozaki, comp. of Paul Miki | 1583-97 | 06/02 |
| Thomas Kufioji | Augustinian tertiary martyred at Nagasaki, Japan | d1630 | 28/09 |
| Thomas More + comps | Lord Chancellor, English martyr | 1478-1535 | 22/06 (06/07, 09/07 04/05) |
| Thomas of Antioch | hermit | d782 | 18/11 |
| Thomas of Cori | 19/01 | ||
| Thomas of Hales | 02/08 (04/08) | ||
| Thomas of St Hyacinth, Bld (comp of Dominic Castelet) | Japanese martyr, Dominican catechist | d1628 | 08/09 |
| Thomas of the Holy Rosary, Blessed | Japanese martyr, Dominican catechist | d1622 | 10/09 |
| Thomas of Tolentino, Blessed (+ Bl. James of Padua, Bl. Peter of Siena + Demetrius of Triflis) | Franciscan missionary martyr in northern India | d1322 | 13/04 |
| Thomas of Villanova/ Villanueva | Archbishop of Valentia, Augustinian | 1488-1555 | 22/09 (18/09) |
| Thomas Percy, Blessed | Earl of Northumberland | 1528-72 | 12/08 (14/11) |
| Thomas Pickering, Blessed | English Benedictine martyr, Tyburn | d1679 | 09/05 |
| Thomas Plumtree, Blessed (+ Luke Kirby, Richard Kirkman + Richard Thirkill | Rector of Stubton martyred at Durham after Rising of the North | d1570 | 04/01 (14/02) |
| Thomas Reynolds/ Green, Blessed | English martyr with Alban Bartholomew Roe, Tyburn | d1642 | 21/01 |
| Thomas Sherwood | 07/02 | ||
| Thomas Shikuiro | Martyr of Japan with Charles Spinola | 1622 | 10/09 |
| Thomas Somers, Blessed (+ John Roberts) | schoolmaster & priest martyred at Tyburn | d1610 | 10/12 |
| Thomas Thwing, Blessed | Chaplain, hung at York after Titus Oates plot | d1680 | 23/10 |
| Thomas Tichborne | 20/04 | ||
| Thomas Toan, Blessed | Vietnamese martyr | 1767-1840 | 27/06 |
| Thomas Tomaki, Blessed | Son of John Tomaki, boy martyr in Japan | d1628 | 08/09 |
| Thomas Tsughi, Blessed | Japanese Jesuit martyred at Nagasaki | d1627 | 06/09 |
| Thomas Tunstal, Blessed | English priest martyred at Norwich | d1616 | 13/07 |
| Thomas Vinyemon, Blessed | Japanese martyred for sheltering missionaries | d1627 | 17/08 |
| Thomas Warcop, Blessed + 3 comps | martyred at York | d1597 | 04/07 |
| Thomas Welbourne, John Fuithering + William Brown, Blesseds | martyred at York | d1605 | 01/08 |
| Thomas Whitbread/ Harcourt, Blessed | English Jesuit martyred at Tyburn after Popish Plot | d1679 | 20/06 |
| Thomas Woodhouse, Blessed | Jesuit martyr, Tyburn | d1573 | 19/06 (13/06) |
| Thomas Zumarraga | Spanish Dominican martyred in Japan | 1575-1622 | 12/09 |
| Thomian/Tomian | Bishop of Armagh | d660 | 10/01 |
| Thorfinn | Norwegian Bishop exiled to Bruges | d1285 | 08/01 |
| Thorkill/Thyrgillus | 12/11 | ||
| Thorlac Thorhallsson | Bishop of Skalholt, Iceland | 1133-93 | 23/12 (Trans 20/07) |
| Thraseas | Bishop of Eumenia, martyred at Smyrna | d170 | 05/10 |
| Thrasilla/Tarsilla + Emiliana | aunts of Gregory the Great | d581 | 24/12 |
| Thyrsus, Leucius + Callinicus | martyrs at Apollonia, Phrygia | d251 | 28/01 |
| Thyrsus + Projectus | martyrs | 24/01 | |
| Thyrsus + Victor | 31/01 | ||
| Tiarnach | Ireland | 17/03 | |
| Tiarnach | Ireland | 13/05 | |
| Tiarnach | Ireland | 07/07 | |
| Tiarnach | Ireland | 04/11 | |
| Tiarnan/Tiernan | Ireland | 08/04 | |
| Tibbe | virgin of Brecknock | 30/01 | |
| Tiberius/Tiburce, Modestus + Florentia | Roman martyrs | d303 | 10/11 (16/11) |
| Tiburtius + Chromatius + Susan(na) | Roman martyrs | d288 | 11/08 |
| Tiburtius, Valerian + Maximus | Roman martyrs | C3rd | 14/04 |
| Tigernach/Tighernach/Tierney/Torney | Bishop of Clogher (Monk at Clones) | d509 or 549 | 04/04 |
| Tigides + Remedius | Bishops in the French Alps | C6th | 03/02 |
| Tigridia | Benedictine Abbess of Burgos, Spain | d925 | 22/11 |
| Tigrius + Eutropius | martyrs who defended John Chrysostom, Constantinople | d404/5 | 12/01 |
| Tikbon of Zadonsk | Russian monk, Bishop of Voronezh | 1724-83 | 13/08 |
| Tilbert | 8th Bishop of Hexham | d789 | 07/09 |
| Tillo/Theau/Filman/Hillonius | Benedictine monk, recluse at Solignac | d702 | 07/01 |
| Timolaus + 7 comps (Dionysius x2, Alexander x2, Romulus, Pausis + Agapius | martyrs at Caesarea | d303 | 24/03 |
| Timon | one of 7 deacons chosen by the Apostles | C1st | 19/04 |
| Timothy + Apollinaris | 23/08 | ||
| Timothy + Diogenes | martyrs at Philippi, Macedonia | d345 | 06/04 |
| Timothy + Faustus | martyrs in Antioch | 08/09 | |
| Timothy + Martha | martyrs in Antinoe, Egypt | d298 | 03/05 |
| Timothy, Agapius + Thecla | Bishop of Gaza, martyrs in Caesarea | d304 | 19/08 |
| Timothy, Polius + Eutychius | martyrs in Mauritania | late C3rd/early C4th | 21/05 |
| Timothy | martyr & bishop, Prusa in Bithynia | d362 | 10/06 |
| Timothy | 18/12 | ||
| Timothy of Rome | martyr | d311 | 22/08 |
| Timothy the Apostle | 26/01, 24/01 Advent 05/03 Trans 09/05 | ||
| Tirsus + comps | 04/10 | ||
| Titian | Bishop of Brescia | d536 | 03/03 |
| Titian (Tatian + comps) | Bishop near Venice | d650 | 16/01 |
| Titus | Companion of Apostle Paul | C1st | 26/01 |
| Titus | Roman martyr killed by Goths | d410 | 16/08 |
| Titus Brandsma, Blessed | Dutch Carmelite monk died in Dachau | 1881-1942 | 27/07 |
| Titus | 04/01 | ||
| Titus | 06/02 | ||
| Titus the Wonderworker | (Orth) 02/04 | ||
| Tobias | Martyr | C4th | 02/11 |
| Tochumra/Tochmura | virgin of Kilmore, Ireland | 11/06 | |
| Tola | Bishop in Meath (Disert Tola) | d733 | 30/03 |
| Torpes | Roman martyr | d65 | 29/04 |
| Torpetis | virgin martyr | 18/05 | |
| Torquatus | Bishop of Saint-Paul-Trois-Châteaux | 31/01 | |
| Tranquillinus | Roman martyr | d288 | 06/07 |
| Trason, Pontian + Praetextus | Roman martyrs | d302 | 12/12 |
| Trea | Hermitess of Ardtree, Derry | C5th | 03/08 |
| Tressan/Tresian | Irish missionary in Gaul | d550 | 07/02 |
| Triandaphilos | of Stara Zagora | d1680 | 08/08 |
| Triduana/Triduna/Trollhoena/Tredwell/Trallen | Virgin of Restalrig in Scotland | C4th | 08/10, 09/11 |
| Trien | Abbot of Killelga, Ireland | C5th | 22/03 |
| Trillo/Drillo/Drel | Abbot of Llandrillo, Wales | C6th | 15/06 |
| Triphina + baby son, Tremorus | killed by his father, Conmore, Brittany | C6th | 05/07 |
| Triphillius/Tryphillius | Bishop of Nicosia | d370 | 13/06 |
| Triverius/Trivier | hermit near Therouanne | d550 | 16/01 |
| Troadius | martyr at Neo- Caesarea, Pontus | d250 | 28/12 |
| Trojan(us)/Troyen | Bishop of Saintes | d533 | 30/11 |
| Trojecia | 08/06 | ||
| Trophimus | companion of St Paul | C1st | 29/12 |
| Trophimus, Sabbatius + Dorymedon | martyrs in Antioch | d277 | 19/09 (18/09) |
| Trophimus + Eucarpius | Roman soldier martyrs, Nicomedia | d304 | 18/03 |
| Trophimus + Theophilus | Roman martyrs | d302 | 23/07 |
| Trophimus/Tropez | Bishop of Arles | d280 | 29/12 (Trans 30/09) |
| Trudo/ Trond/Tron | Benedictine Abbot near Louvain | d695 | 23/11 |
| Trudpert | 26/04 | ||
| Trumwin(e) | Bishop of the Picts at Abercorn (& monk at Whitby) | d704 | 10/02 02/12 |
| Tryphena | martyr at Cyzicus on the Hellespont | 31/01 | |
| Tryphon/Trypho, Respicius + Nympha | Gooseherd in Syria martyrs at Nicaea | d251 | 10/11 (Orth 01/02) |
| Tryphon + comps | 13 martyrs in Alexandria | 03/07 | |
| Tryphonia | Roman widow & martyr | C3rd | 18/10 |
| Tuda | Irish Bishop of Lindisfarne | d664 | 21/10 |
| Tudno | Hermit, Llandudno & Caernarvon | C6th | 05/06 (30/11) |
| Tudwal/Tugdual | Welsh monk & Bishop of Tréguier | d564 | 30/11 (01/12) |
| Tudy/Tybie/Uda/ Tudelyd | Welsh virgin | C5th | 30/01 |
| Tudy/Tudec/Tegwin/Tudinus | Abbot near Landevennec, Brittany (cousin of Nonna) missionary to Wales | C5th/6th | 11/05 |
| Turiaf/Thuriaf/Turiav (Curien) | Bishop of Dol | d750 | 13/07 |
| Turibius + comps | 25/08 24/07 | ||
| Turibius | Bishop of Astorga, Spain | d460 | 16/04 |
| Turibius | Abbot/ founder of Liebana in Asturias | d528 | 16/04 |
| Turibius/Toribio | Bishop of Mogroveio/ Archbishop of Lima | 1538-1606 | 23/03 |
| Turketil | Abbot of Crowland/ Croyland | 887-975 | 11/07 |
| Turninus | Irish missionary to Antwerp, Netherlands | C9th | 17/07 |
| Tutilo | Benedictine monk at St Gall | d915 | 28/03 |
| Tychicus | disciple of Paul, trad. Bishop of Paphos | C1st | 18/04 |
| Tychon | Bishop of Amathus, Cyprus | d450 | 16/06 |
| Tydecho | bro of Cadfan, Merioneth, Wales | C6th | 17/12 |
| Tydfil | Kinswoman of Brychan, killed by Picts, Merthyr-Tydfil | d480 | 23/08 |
| Tyrannio + comps (Zenobius, Peleus, Nilus + Silvanus) | Bishop of Tyre, martyrs | d304 | 20/02 |
| Tysilio/Suliac | Abbot of Meifod, Wales, settled in Brittany | C7th | 08/11 |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.