| Saint | Background | Date | Feast Day |
| Sabas, identified with Savvas the Goth & Victorious General | Roman martyr | d272 | 24/04 |
| Sabas/Savvas the Goth | martyr in Romania | d372 | 12/04 (Orth 18/04) |
| Sabas | Cappadocian monastic founder & hermit nr. Jerusalem | C4th/5th | 05/12 |
| Sabas/Saba/Sava (Rastko) | Archbishop of Serbia, son of King Stephen I | 1174-1235 | 14/01 |
| Sabaudus | Bishop of Trier | 26/11 | |
| Sabellius/Saveli | Persian martyr | d362 | |
| Sabina | Roman martyr | C3rd/4th | 29/08, (29/01, 31/01, 30/03, 27/10) |
| Sabina | Roman virgin martyr | d127 | |
| Sabina | |||
| Sabinianus + Potentianus | Bishops of Sens, martyrs | C4th | 31/12 (Trans 19/10) |
| Sabinianus | 08/06, 24/01(Trans 02/03) | ||
| Sabinian(us)/Savinian | bro of Sabina, martyr at Troyes | d275 | 29/01 |
| Sabinus | disciple of Germanus of Auxerre, martyr at Poitiers | C5th | 11/07 (09/07) |
| Sabinus + comps (Marcellus, Exuperantius + Venustianus) | Bishop of Assisi, Spoleto or Faenza, martyred at Spoleto | d 303 | 30/12 |
| Sabinus + Cyprian | Roman martyrs, Brescia, Italy or La Bresse, Poitou | 11/07 | |
| Sabinus/Sabinas | Bishop of Piacenza | d420 | 11/12 (17/01) |
| Sabinus | Bishop of Canossa, Apulia & patron of Bari | d566 | 11/12 |
| Sabinus | Bishop of Catania | d760 | 15/10 |
| Sabinus, Cassia, Julian, Macrobius, Maximus, Paula + 10 comps | martyrs, Damascus | 20/07 | |
| Sabinus | the Egyptian | d287 | 20/07 (Orth 16/03) |
| Sabinus, Latinus + Exuperantius | 01/12 | ||
| Sabinus/Savinus | of Lavedan, apostle/ hermit | C5th | 09/10 |
| Sacer/Mo-Sacra | Abbot/Founder of Saggard, Dublin | C7th | 03/03 |
| Sacerdos | Bishop of Sagunto, Spain | d550 | 05/05 |
| Sacerdos/Sardot/Serdon | Bishop of Lyons | d551 | 12/09 |
| Sacerdos/Sardot/Serdon | Bishop of Limoges | d720 | 04/05 |
| Sadoc, Blessed + 49 comps | Dominican missionaries to Hungary, martyred by Mongols | d1260 | 05/05 or 02/06 |
| Sadoth/Schadost, + 128 comps | Bishop of Ctesiphon-Seleucia, martyrs | d345 | 20/02 |
| Sadwen/Sadwrn/Satruninus | of Wales bro of Iltud | C6th | 29/11 25/10 |
| Saethryth/Sethrida | Anglian princess, Abbess in Gaul, 1/2 sister of Ethelburga + Ethelfreda | 10/01 | |
| Sagar | Bishop of Laodicea | C1st/2nd | 06/10 |
| Salaberga | Abbess of Poulangey | 22/09 | |
| Salomon | King | (Translation) 11/02 | |
| Salaun | poor & holy man, Lesleven, Brittany | 01/11 | |
| Sallustian | Confessor, Sardinia hermit/martyr | 08/06 | |
| Salome + Judith | Anchorites in Bavaria | C9th | 29/06 |
| Salomea, Blessed | Abbess of Poor Clares in Poland | d1268 | 17/11 |
| Salvator(e) of Horta | Franciscan monk, Spain | 1520-67 | 18/03 |
| Salvianus | Bishop | 04/05 | |
| Salvinus (Silvinus) | Bishop of Verdun after Maurus | d720 | 04/09 |
| Salvinus | Bishop of Verona | d562 | 12/10 |
| Salvius | Benedictine missionary to Flemings | d768 | 26/06 |
| Salvius/Sauve | Bishop of Albi | d584 | 08/10 (Elevation 22/03, 10/09) |
| Salvius/Salve | Bishop of Amiens | d625 | 12/01 (11/01) |
| Salvius/Saire | hermit of St-Saire | 28/10 | |
| Salvius | Roman martyr, North Africa | 11/01 | |
| Samson Xenodochius 'the Hospitable' | 'Father of the Poor' Constaninople | d530 | 27/06 |
| Samson | Welsh missionary, Bishop of Dol, Brittany | c495-565 | 28/07 |
| Samthann/Samantha | of Meath, Abbess/ founder of Cluain-Bronach/Clonbroney, Longford | C6th | 18/12, 19/12 |
| Samuel | Biblical | 20/08 | |
| Samuel | One of 5 Egyptian Martyrs | d 304 | 16/02 |
| Samuel of Edessa | Ecclesiastical writer | d496 | 09/08 |
| Sanchia | 13/03 | ||
| Sanctan | Bishop of Kill-da-Less Kill-na-Sanctan | C6th | 09/05 |
| Sanctes | of Cori | 05/10 | |
| Sanctianus | 06/09 | ||
| Sanctinus | Bishop of Senlis | 07/01 | |
| Sanctinus | 1st Bishop of Meaux (& Verdun) | d300 | 22/09 (11/10) |
| Sanctinus/Sanctius/Sancho | martyr at Cordoba | d851 | 05/06 |
| Sandalio/Sandila/Sandillia (m) | of Cordoba, Spanish martyr | d855 | 03/09 |
| Sandratus | Benedictine missionary, Abbot of Gladbach & Weissenburg | d986 | 24/08 |
| Sapientia | 16/12 | ||
| Sapor, Isaac, Mahanes, Abraham + Simeon | 30/11 | ||
| Sara | C1st | 24/05 | |
| Sarah | 19/08 | ||
| Sarbelius/Sharbel + Barbea | Martyrs at Edessa | d101 | 29/01 |
| Sarius | 23/11 | ||
| Sarmata | Desert Father Egypt, martyred by Bedouin | d357 | 11/10 |
| Sativola | 01/08 | ||
| Saturnina | virgin martyr, probably legendary | 20/05 | |
| Saturninus (Sernin) | Bishop of Toulouse, martyr | d257 | 29/11 (25/06) |
| Saturninus | Bishop of Verona | C4th | 07/04 |
| Saturninus, Castulus, Magnus + Lucius | Disciples of Valentine Terni, Italy | d273 | 15/02 |
| Saturninus + c365 comps incl Nereus | martyrs in Africa | d450 | 16/10 |
| Saturninus + Sisinnius | martyrs in Rome | d309 | 29/11 |
| Saturninus | 05/03 | ||
| Saturninus | 29/03 | ||
| Saturninus | martyr in Cagliari, Sicily | d303 | 30/10 |
| Saturninus his 4 children, Saturninus, Felix, Mary + Hilarianus, Dativus a noble senator, Ampelius, Rogatianus + Victoria | Martyrs in Africa | d304 | 11/02 12/02 |
| Saturninus | martyr in Africa | 22/03 | |
| Saturninus + comps ( Neopolus, Germanus + Celestine) | martyrs in Alexandria | d304 | 03/05 |
| Saturninus, Maurus, Chrysanthus + Daria | 29/11 | ||
| Saturnius + Lupus | martyrs at Caesarea, Cappadocia | 14/10 | |
| Saturninus, Theophilus + Revocata | Roman martyrs | 06/02 | |
| Saturninus, Thyrsus + Victor | martyrs at Alexandria | c250 | 31/01 |
| Satyrus | martyr from Arabia | 12/01 | |
| Satyrus | Archbishop of Milan | d376 | 17/09 |
| Saul/Sawl | Welsh chieftain, father of St. Asaph | C6th | 15/01 |
| Savin | 07/12 | ||
| Savin | 09/02 | ||
| Savina | helper of Christian prisoners, Milan | d311 | 30/01 |
| Scannal | of Cell-Coleraine | d563 | 03/05 |
| Scholastica | sister of St Benedict | d543 | 10/02 |
| Schottin/Schotin/Scarthin | of Kilkenny, hermit, disciple of Dewi | C6th | 06/01 |
| Seachnall/Sechnall/Secundin(us) | 1st Bishop of Dunshaughlin, Meath | d457 | 27/11 |
| Seadna | Ireland | 09/03 | |
| Seadna/Sedna | Abbot of Sair-Kieran & Bishop of Ossory | d570 | 10/03 |
| Seadna | Ireland | 16/06 | |
| Seanan | Ireland | 01/03 | |
| Seanan | Ireland | 07/04 | |
| Seanan | Ireland | 09/04 | |
| Seanan | Ireland | 11/04 | |
| Seanan | Ireland | 26/04 | |
| Seanan | Ireland | 05/05 | |
| Seanan | Ireland | 02/06 | |
| Seanan | Ireland | 10/07 | |
| Seanan | Ireland | 07/08 | |
| Seanan | Ireland | 17/08 | |
| Seanan | Ireland | 02/09 | |
| Seanan | Ireland | 04/09 | |
| Seanan | Ireland | 16/09 | |
| Seanan | Ireland | 25/09 | |
| Seanan | Ireland | 30/09 | |
| Seanan | Ireland | 04/10 | |
| Seanan | Ireland | 10/10 | |
| Seanan | Ireland | 05/12 | |
| Seanan | Ireland | 18/12 | |
| Seanan | Ireland | 24/12 | |
| Sebald | C8th | 19/08 | |
| Sebastian | 16/12 | ||
| Sebastian | 30/01 | ||
| Sebastian | Roman soldier, martyred with arrows | d284 | 20/01 (Trans 09/12) |
| Sebastian Kimura, Blessed | Martyr of Japan with Charles Spinoza | d1622 | 10/09 |
| Sebastian Montanol, Blessed | missionary martyred in Mexico | d1616 | 10/12 |
| Sebastian Newdigate Bld. (+ Humphrey Middlemore + William Exmew | Carthusian monk executed at Tyburn | d1535 | 19/06 |
| Sebastian Walfre | 30/12 | ||
| Sebastiana | of Heraclea | 16/09 | |
| Sebbi/Sebba/Sebbe | King of Essex/East Saxons & monk in London | d694 | 29/08 (24/03) |
| Secunda/Secundina | virgin martyr, Rome | c250 | 15/01 |
| Secundel + Friard | hermits, island of Vindomitte, Nantes | C6th | 01/08 |
| Secundianus + comps (Marcellian + Verian) | Tuscan martyrs | d250 | 09/08 |
| Secundinus | Martyr, Spain | d306 | 21/05 |
| Secundinus, Agrippinus, Maximus, Fortunatus + Martialis | martyrs, Pannonia | C4th | 15/07 |
| Secundus, Alexander + Abundus | Martyrs, Theban Legion | C3rd | 26/08 (27/08) |
| Secundus | Roman patrician martyr, Asti | d119 | 29/03 |
| Secundus | Roman martyr | d304 | 01/06 |
| Secundus + comps | martyrs in Alexandria | d357 | 21/05 |
| Secundus/Secundinus, Fidentian + Varicus | Roman martyrs, Africa | 15/11 | |
| Seduinus | England, may be Swithun | 15/07 | |
| Segolena | 24/07 | ||
| Seiriol/Seirol | Abbot of Penmon, Anglesey | C6th | 01/02 (02/01) |
| Selevan | of Wales | 18/10 | |
| Selevan/Selyf | King of Cornwall father of Gereint | C6th | 14/10 |
| Selevan/Selyf | hermit in Cornwall | 25/06 | |
| Seleucus | Syrian martyr | 24/03 | |
| Senach | Bishop of Clonard | C6th | 03/08 |
| Senan | Archbishop of Iniscathy Ireland | 08/03 | |
| Senan | Hermit, North Wales | C7th | 29/04 |
| Senator | of Albanum (now in mod. France) | 26/09 | |
| Senator | Archbishop of Milan | d480 | 28/05 |
| Senoch(us) | Benedictine abbot, France | d576 | 24/10 |
| Senorina | Benedictine Abbess of Venaria, Italy | d982 | 22/04 |
| Sequanus/Seine/Signe | Abbot of Segreste/ Langres | d580 | 19/09 |
| Seraphia | 03/09 | ||
| Seraphia/Serapia | Roman martyr, slave of Sabina | d119 | 29/07 |
| Seraphim (Prokhor Moshnin) | of Sarov, monk + mystic | 1759-1833 | 02/01 |
| Seraphina (Fina) | San Geminiano, Tuscany | d1253 | 12/03 |
| Seraphina Sforza, Blessed | 09/09 | ||
| Seraphina | Roman martyr | d426 | 29/07 |
| Seraphinus/Seraphino | Capuchin lay brother, Ascoli Piceno | 1540-1604 | 12/10 |
| Seraphion | Priest | 27/05 | |
| Serapion | Bishop of Antioch | d211 | 30/10 |
| Serapion | martyr in Macedonia | d195 | 13/07 |
| Serapion | martyr in Alexandria | d252 | 14/11 |
| Serapion the Scholastic | Bishop of Thmuis & Abbot of Arsinoe | d370 | 21/03 |
| Serapion the Sindonite | Egyptian monk | d356 | 21/03 |
| Serena | In legends, wife of Diocletian + Domitian | d c290 | 16/08 |
| Serena | 29/01 | ||
| Serenedus | 21/07 | ||
| Serenicus | deacon at Séez | 07/05 | |
| Serenicus + Serenus | Benedictine hermits, France | C7th | 07/05 |
| Serenus | 02/10 | ||
| Serenus | Martyr | 23/02 | |
| Serenus | Bishop of Marseilles | d606 | 09/08 |
| Serenus/Cerneuf the Gardener | martyr, Sirmium | d302 | 23/02 |
| Sergius | Monk/priest, martyr in Cappadocia | d304 | 24/02 |
| Sergius I | Pope | d701 | 08/09 |
| Sergius + Bacchus | Roman martyrs Syria/Mesopotamia | d303 | 07/10, 08/10 |
| Sergius of Radonezh (Barfolomei Kirillovich) | hermit monk & abbot, Russia | 1314-1392 | 25/09 |
| Serlo | of Savigny | 10/09 | |
| Seronius | 20/08 | ||
| Serotinus | 22/09 | ||
| Servan/Servanus/Serf/Sair | Bishop of Culross, Patron of Orkney, Apostle of Fife | C6th | 01/07 (20/04) |
| Servandus + Germanus | Martyrs in Cadiz, sons of St Marcellus | d305 | 23/10 |
| Servatius | 07/06 | ||
| Servatius/Servatus/Servais/Servaas | Bishop of Tongres (in modern Belgium) | d384 | 13/05 |
| Servulus | of Rome, a beggar | d590 | 23/12 |
| Servus | Roman martyred by Vandals in Africa | d484 | 07/12 |
| Severa | Benedictine Abbess of Trier | d750 | 20/07 |
| Severa | 25/06 | ||
| Severian | of Sebaste, martyr | d320 | 09/09 |
| Severian(us) | Bishop of Scythopolis in Galilee, martyr | d452 | 21/02 |
| Severianus + Aquila | Roman martyrs, N Africa | 23/01 | |
| Severinus | missionary to Noricum/Austria (Bishop of Naples) | d482 | 08/01 (died 05/01) |
| Severinus | 19/12 | ||
| Severinus | 20/07 | ||
| Severinus | 24/11 | ||
| Severinus | Abbot | 08/01 | |
| Severinus | Abbot of St. Maurice, Agaunum | C6th | 11/02 |
| Severinus | Bishop of Septempeda (now Sanseverino) | C6th | 08/01 |
| Severinus | Bishop of Trier | d300 | 21/12 (24/10) |
| Severinus | hermit near Lutetia (Paris) & Novientum, | d540 | 27/11 |
| Severinus | Benedictine monk, Tivoli, Rome | d609 | 01/11 |
| Severinus | Pope | 27/08 | |
| Severinus Boethius (Anicius Manlius Torquatus S. B) | author 'The Consolation of Philosophy' etc | 480-524 | 23/10 |
| Severinus, Exupery + Felicianus | martyrs at Vienne | d170 | 19/11 |
| Severinus + Victorinus | Bishop, Septempeda Bishop of Camarino, hermits | d550 | 08/06 |
| Severinus/Seurin | Bishop of Bordeaux | d420 | 23/10 |
| Severinus/Surin | Bishop of Cologne | d403 | 23/10 (21/10) |
| Severius | 22/10 | ||
| Severus + Severinus | 02/12 | ||
| Severus, several | Bishop of Naples Bishop of Ravenna Bishop of Barcelona | d409 d348 d633 | 08/08, 15/02 |
| Severus | Abbot at Agde | 24/08 | |
| Severus | Bishop of Avranches | 06/07 | |
| Severus | Bishop of Trier/Treves | C5th | 15/10 (Trans 18/11) |
| Severus | C6th | 01/02 | |
| Severus | Pope | 22/10 | |
| Severus | Priest | 22/10 | |
| Sevo/Gevo | 09/07 | ||
| Sexburga/Sexburgis/Saxburgh | Abbess of Ely | 06/07 | |
| Shadrach, Mesach + Abednego | 24/04 | ||
| Siadhal | 08/03 | ||
| Siadhal | 12/02 | ||
| Sicarius | Martyr | 02/05 | |
| Sidney Hodgeson, Blessed + 6 comps | London Martyrs | d1591 | 10/12 |
| Sidonius | Irish monk, Abbot of St-Saens | C7th | 14/11 |
| Sidonius Apollinaris | Bishop of Clermont | c423-80 | 21/08 |
| Sidronius | 03/07 | ||
| Sidronius | 08/09 | ||
| Sidwell | virgin martyr Exeter | C6th | 02/08 |
| Sifredus | Bishop of Carpentras | 27/11 | |
| Sigebert | 16/01 | ||
| Sigebert | King of Austrasia | C7th | 01/02 |
| Sigebert | King of East Anglia | C7th | 27/09 |
| Sigfrid/Sigfried | Prior of Wearmouth | d690 | 22/08 |
| Sigfrid | of V¬ xjØ Apostle of Sweden | C11th | 15/02 |
| Sigismund | King of Burgundy, martyr | d523 | 01/05 (Trans 05/09) |
| Sigrada | 04/08 | ||
| Silas | of Lucca | 21/05 | |
| Silas/Silvanus | the Apostle, comp of Paul & Bishop of Corinth (trad) | C1st | 13/07 (28/11 Orth 20/07) |
| Sillan | Bishop | 17/05 | |
| Silvanus | 16/10 | ||
| Silvanus | Bishop of Gaza | 07/05 | |
| Silvanus | of Levroux | 22/09 | |
| Silverius | Pope (exiled) | d537 | 20/06 |
| Silvester | Bishop of Chalon-sur-Saône | 20/11 | |
| Silvester/Sylvester I | Pope | d335 | 31/12 |
| Silvinus | of Auchy | 17/02 | |
| Silvinus | of Brescia | 28/09 | |
| Silvinus | of Verdun | 04/09 | |
| Silvius | Martyr, Alexandria | ||
| Simeon | 01/06 | ||
| Simeon + comps | Bishop of Ctesiphon | 17/04 | |
| Simeon | Bishop of Metz | 15/02 | |
| Simeon/Simon | brother of Jesus Bishop of Jerusalem | 18/02, 09/02 (Orth 27/04) | |
| Simeon Metaphrastes/ Logothelite | Monk & hagiographer | C10th | |
| Simeon | of Barsabba'e | 22/04 | |
| Simeon Salus | 01/07 | ||
| Simeon Senex | 08/10 | ||
| Simeon Stylites | the Younger | 24/05, 03/09 | |
| Simeon | the New Theologian | 12/03 | |
| Simeon/Simon Stylites | the Elder | 390-459 | 5/1 |
| Simon + Jude | (Vigil) 27/10 | ||
| Simon | 20/04 | ||
| Simon | boy martyr | 08/05 | |
| Simon of Trent + William | 24/03 | ||
| Simon Stock | Carmelite Superior General | 1165-1265 | 16/05 |
| Simon | the Apostle/the Zealot | C1st | 28/10 |
| Simpert | 13/10 | ||
| Simplicianus | 13/08 | ||
| Simplicianus | Martyr | 31/05 | |
| Simplicius | Bishop of Autun | 25/06 | |
| Simplicius | Bishop of Verona | 19/11 | |
| Simplicius | Bishop of Vienne | 11/02 | |
| Simplicius/Supplicius | Pope | d483 | 02/03 10/03 |
| Sincheall | Abbot of Killeigh | 26/03 | |
| Sindulf | Bishop of Vienne | 10/12 | |
| Sindulf/Sindulphus | of Sendou/Reims | 20/10 | |
| Sinerius | (Translation) 10/05 | ||
| Sinerius | Martyr | 23/02 | |
| Sinerius/Senier | Bishop of Avranches | 18/09 26/09 | |
| Siony | the Bulgarian | (Orth) 22/1 | |
| Siran | 04/12 | ||
| Siricius/Siricus | Pope | d399 | 26/11 |
| Sisinnius + comps | 14/07 | ||
| Sisinnius, Martyrius + Alexander | Martyrs | 29/05 | |
| Sisoes | 04/07 | ||
| Sithney (m) | Cornwall | C6th | 03/08 |
| Siviardus | 01/03 | ||
| Sixtus + Sinnicius | 01/09 | ||
| Sixtus | 12/07 | ||
| Sixtus I | Pope | C2nd | 06/04 |
| Sixtus II + comps | Pope | d258 | 07/08, 06/08 |
| Sixtus III | Pope | 28/03 | |
| Slebhin | Abbot of Iona | 02/03 | |
| Smyrna + Holy Martyr | (Orth) 06/02 | ||
| Socrates + Stephen | Monmouth | 17/09 | |
| Sola | 03/12 | ||
| Solangia/Solange/Sollemnia | Virgin shepherdess killed by master, Bourges | d880 | 10/05 |
| Solanus, Blessed (Bernard/Barney Casey) | Capuchin priest | 1875-1957 | 31/07 |
| Solemnis | Bishop of Chartres | 24/09 | |
| Solina | 17/10 | ||
| Solomon | of Genoa | 28/09 | |
| Sophia/Sofia + daughters | Allegory of cult of Divine Wisdom, Faith, Hope + Charity | C3rd | 01/07, 10/05 (Orth 30/09) |
| Sophia | 03/09 | ||
| Sophia | 23/03 | ||
| Sophia | 30/04 | ||
| Sophia | virgin martyr | 15/05 | |
| Sophronios | Bishop of Vratsa | d1813 | (Orth) 21/03 |
| Sophronios | the Bulgarian | C15-16th | (Orth) 28/05 |
| Sophronius | Bishop of Jerusalem | c560-638 | 11/03 |
| Sorus | 01/02 | ||
| Sosthenes + Victor | 10/09 | ||
| Soter | Pope | C2nd | 22/04, 20/04 |
| Sotheris | virgin martyr | 10/02 | |
| Spatius | 10/11 | ||
| Speciosa | 15/10 | ||
| Speosippus, Eleosippus + Meleosippus | (Invention) 18/09 | ||
| Speosippus/Speusippus | |||
| Spiridion/Spiridon/Spyridon | Bishop of Tremithius, Cyprus | dc348 | 14/12 |
| Stacteus | 28/09 | ||
| Stanisla(u)s Kostka | 1550-68 | 13/11 | |
| Stanislaus/Stanislas Szczepanow | Bishop of Krakow, killed by King Boleslaus | 1030-79 | 11/04 (07/05, 08/05 Trans 06/10, 27/09) |
| Stephanie/Stephana Quinzani | 02/01 | ||
| Stephen | (Translation) 18/11 20/06 | ||
| Stephen | 02/01 02/06 12/06 15/08 | ||
| Stephen | Abbot | 13/02 | |
| Stephen | Abbot of Triglia | (Orth) 26/03 | |
| Stephen | Bishop of Apt | 06/11 | |
| Stephen | Bishop of Lyon | 13/02 | |
| Stephen Harding | d113 | 17/04 | |
| Stephen I | Pope | C3rd | 02/08 |
| Stephen the Great | King of Hungary | 997-1038 | 16/08 20/08 02/09 (Invention of his right hand) 30/05 |
| Stephen | of Grandmont | 08/02 | |
| Stephen | of Perm | 25/04 | |
| Stephen | of Perugia | 16/09 | |
| Stephen Rowsham | 01/03 | ||
| Stephen the Deacon | protomartyr/first martyr | d AD34 | 26/12 (02/08 Advent 09/05 Trans 07/05) |
| Stephen the Younger | 28/11 | ||
| Straton | 09/09 | ||
| Sturmi/Sturm | 17/12 | ||
| Styrion | of Greece | (Orth) 07/02 | |
| Suibhne | 11/01 | ||
| Suibhne | 19/01 | ||
| Suibhne | 21/06 | ||
| Suibhne | 22/06 | ||
| Suibhne | 28/04 | ||
| Suibhne | 28/10 | ||
| Suitbert | Bishop of Verdun | 06/07 Advent 09/05 | |
| Suitbert the Younger | Bishop of Verdun | 01/03 | |
| Suliavus | 08/11 | ||
| Sulien | cousin of Dewi | C6th | 13/05 |
| Sulien/Silouan/Silvanus | Abbot of Bangor, Ireland | C6th | 28/02 |
| Sullian/Suliavus | 29/07 | ||
| Sulpicius/Sulpitius/Sulpice (Pius Severus) | Sulpicius/Sulpitius/Sulpice (Pius Severus), Bishop of Bourges | C7th | 17/01 (29/01 28/01) |
| Sulpitius + Servilianus | 03/10 | ||
| Sulpitius | of Bayeux | 04/09 | |
| Sunniva/Sunngifu + comps | British princess, wrecked + murdered, Norway | C10th | 08/07 31/08 |
| Susan | 24/05 | ||
| Susan(nah) | Biblical | 18/01 | |
| Susanna, her father Gabinius, Maximus, Claudius & wife, Praepedigna + 2 sons | Roman martyrs | C3rd | 11/08 |
| Susanna | 19/02 | ||
| Svetlana | See 'Photine' | ||
| Swithbert/Suitbert the Elder | Northumbria | 01/03 | |
| Swithin/Swithun (Seduinus) | Bishop of Winchester | d862 | Death 02/07, Trans 15/07 (16/07, 30/10)) |
| Syagrius | Bishop of Autun | 28/08 | |
| Sybil | 23/03 | ||
| Sylvester Gozzolini | Abbot of Ozimo | 26/11 | |
| Sylvia/Silvia | mother of Gregory the Great | d592/4 | 05/11 (03/11) |
| Symeon | of Samokov | d1737 | (Orth) 21/08 |
| Symmachus | Pope | 19/07 | |
| Symphorian(us) | C3rd | 22/08 | |
| Symphorosa + 7 sons | 18/07 | ||
| Symphronius + comps | 26/07 | ||
| Syncletica | Virgin, Alexandria | 05/01 (Orth 04/01) | |
| Syra/Syria | 08/06 | ||
| Syrus | Bishop of Pavia | 09/12 |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.