Seamus
pronounced SHAY-mussSeamus is the Irish form of James.
No. 147 for boys in Ireland in 2025, with 36 baby boys.
More about SeamusIrish Boy Names Starting with S
6 Irish boy names beginning with S, with what each one means and how to say it.
Updated October 2026
Irish boy names starting with S
Sean
pronounced SHAWNSean means “God's gracious gift.”
No. 23 for boys in Ireland in 2025, with 185 baby boys.
More about SeanSenan
pronounced SEN-anSenán comes from sen “old, wise” with the diminutive -án, so “little old one” or “little wise one.” Rev. Patrick Woulfe counted more than twenty Irish saints of the name, which is spelled Seanán in modern Irish. The most celebrated is St. Senán of Inis Cathaigh (Scattery Island), in the Shannon estuary off Kilrush, County Clare.
No. 38 for boys in Ireland in 2025, with 126 baby boys.
More about SenanShane in Irish is Sean, meaning “God's gracious gift.” Say it SHAWN.
No. 152 for boys in Ireland in 2025, with 34 baby boys.
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Shaun in Irish is Sean, meaning “God's gracious gift.” Say it SHAWN.
No. 577 for boys in Ireland in 2025, with 5 baby boys.
More about ShaunShawn in Irish is Sean, meaning “God's gracious gift.” Say it SHAWN.
Not in Ireland's 2025 tables (fewer than three babies); last recorded in 2012.
More about ShawnThere are 6 Irish boy names starting with S here. The ones readers look up most are Sean, Seamus and Shaun.
Most popular in Ireland in 2025
The S names for boys on this page that the most babies were given in 2025, by the Central Statistics Office’s ranking.