| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Shionna | Multiple possible senses: 'possessor of wisdom' or linked to the River Shannon goddess (Irish); a Celtic/Scottish variant connected to Joan/Jane meaning 'God is gracious'; or derived from Japanese Shion meaning 'aster (flower)'; also used as a modern invented form. | English, Irish, Japanese, Scottish Gaelic | Girl | — | |
| Shivonne | God is gracious | Irish | Girl | — | |
| Shontrelle | A modern invented feminine name with no traditional meaning; generally understood as a feminine elaboration of 'Shon/Sean' using the '-elle' ending. | Irish | Girl | — | |
| sinnot | Originally a surname meaning 'descendant of Synnot' or a similar medieval personal name; ultimately linked to a diminutive form of a personal name (often associated with Simon). | Irish | Boy | — | |
| sinnott | Surname-derived name; likely linked to a Gaelic form meaning 'fox' (Sionnach) or to an Anglo-Norman personal name - essentially a family name | Irish | Boy | — | |
| Sinéad | God is gracious | French, Greek, Hebrew, Irish, Latin | Girl | — | |
| Sio | Varies by origin - often a diminutive of Siobhán meaning 'God is gracious'; can also be linked to Siofra meaning 'elf/sprite' or to Japanese Shio meaning 'salt'. | Irish, Japanese | Unisex | — | |
| Siobhan | God is gracious | Irish | Girl | — | |
| Sionnain | Associated with the River Shannon; often interpreted as 'possessor of wisdom' or 'wise one.' | Irish | Girl | — | |
| Siorcha | Gaelic form of George, meaning "farmer" or "earth-worker" | Irish | Boy | — | |
| Sloanne | From a Gaelic surname meaning 'raider' or 'warrior' (related to 'sluagh' = 'host, army') | Irish | Unisex | — | |
| Sophia Lynn | Sophia = wisdom; Lynn = lake/pool - roughly 'wise lake' or 'wisdom by the lake' | English, Greek, Irish | Girl | — | |
| Sorca | Bright, radiant | Irish | Girl | — | |
| Sorchaí | Bright, radiant | Irish | Girl | — | |
| Sulley | Dark-eyed; 'little dark-eyed one' (from Gaelic) | Irish | Boy | — | |
| Sullie | From Ó Súileabháin: 'little dark-eyed one' or 'hawk-eyed'; used as a pet form of Sully | Irish | Unisex | — | |
| Síle | Irish form of Cecilia (from Latin 'caecus' meaning 'blind') | Irish | Girl | — | |
| Síne | God is gracious | Irish, Latin | Girl | — | |
| Síofra | Changeling; fairy or sprite | Irish | Girl | — | |
| Tadg | Poet; poet-seer (bard) | Irish | Boy | — | |
| Taeg | From Irish Tadhg: 'poet' or 'philosopher'. As a Korean-derived nickname, linked to the syllable 'Tae' (often 'great' or 'exalted' depending on hanja). | Irish | Boy | — | |
| Taidgh | Poet, philosopher | Irish | Boy | — | |
| Taidha | Likely derived from Tadhg, meaning "poet" or "philosopher" | Irish | Boy | — | |
| Teag | Poet; storyteller; philosopher | Irish | Boy | — | |
| teagen | From Irish Tadhgán, 'little Tadhg' - often interpreted as 'little poet' or 'little storyteller' | Irish | Unisex | — | |
| Teagun | Diminutive of Tadhg - commonly interpreted as "little poet" | Irish | Boy | — | |
| Tegann | Little poet (Irish) / little fair/beautiful one (Welsh) | Irish | Unisex | — | |
| Teig | Poet, philosopher | Irish | Boy | — | |
| Temair | Uncertain; possibly linked to Irish Teamhair (Tara - 'hill/place of kings') or to Turkic/Mongolian Temir/Timur ('iron'). | Irish, Mongolian | Unisex | — | |
| Thurlough | Derived from Old Irish Toirdhealbhach; commonly interpreted as 'instigator' or 'one who prompts' (exact etymology uncertain) | Irish | Boy | — | |
| Tieren | 'Little lord' (diminutive of Old Irish tiarna, 'lord') | Irish | Boy | — | |
| Tiernon | Little lord (diminutive of 'tighearna' meaning lord) | Irish | Boy | — | |
| Tierrney | From Gaelic 'tiarna' meaning 'lord' - 'descendant of Tiarna' | Irish | Unisex | — | |
| Tig | A short, playful nickname - sometimes linked to Irish Tadhg (meaning 'poet') or used as a form of 'Tiger' (energetic/fierce). | English, Irish | Unisex | — | |
| Tip | Point; well of Ara | English, Irish | Boy | — | |
| Toban | Little well / from the well | English, Irish | Boy | — | |
| Tod Sands | Tod = "fox"; Sands = dweller by the sands or sandy shore | English, Irish, Scottish | Boy | — | |
| Toirdelbach | Instigator | Irish, Old Irish | Boy | — | |
| Toland | Surname-derived name meaning 'descendant of Tuathalán' (Tuathalán from Gaelic elements related to 'people' - often rendered 'ruler of the people') or a place-name meaning 'Tola's land'. | Irish | Boy | — | |
| Torann | Thunder; noise, sound | Irish | Boy | — | |
| Tracey-Lee | Tracey: 'warlike' or 'from Thrace' + Lee: 'clearing, meadow' (combined meaning: 'warlike/from Thrace of the meadow') | English, Irish | Girl | — | |
| Tracey-Lynn | Combination of Tracey (associated with a place-name or strength/fighter) and Lynn (lake/pond), roughly "strength/warrior by the lake" | English, Irish, Welsh | Girl | — | |
| tracye | Descendant of Treasach; 'warlike' or 'fighter' | Irish | Girl | — | |
| Trory | Place of tillage | Irish | Boy | — | |
| Troye | Descendant of foot soldier | English, Greek, Irish | Boy | — | |
| Turgesius | Thor-guest or Thor’s pledge | Irish, Medieval Latin, Old Norse | Boy | — | |
| Tygan | Variant of Teagan/Tegan: 'little poet' (from Irish Tadhgán) or 'little toy/darling' (from Welsh tegan) | Irish, Welsh | Unisex | — | |
| Tyronica | Tyrone-Veronica blend | African American, Greek, Irish, Latin | Girl | — | |
| Una | Lamb (Irish); one, unity (Latin) | Irish | Girl | — | |
| Voshon | God is gracious | African American, English, Hebrew, Irish | Boy | — |
Aggregated births across Ireland, United Kingdom, United States, Australia for every Irish-origin name in our dataset.