Irish Boy Names Starting with T

9 Irish boy names beginning with T, with what each one means and how to say it.

Updated September 2026

There are 9 Irish boy names starting with T here. The ones readers look up most are Tadhg, Tomas and Thomas.

Most popular in Ireland in 2025

The T names for boys on this page that the most babies were given in 2025, by the Central Statistics Office’s ranking.

TI-gue

Tadhg means “poet, philosopher.” Two syllables, stress on the first.

Terence in Irish is Turlough, meaning “one who aids.” Say it TUR-la.

Terry in Irish is Turlough, meaning “one who aids.” Say it TUR-la.

Thomas in Irish is Tomas, meaning “twin.” Say it toh-MOSS.

TEER-nawn

Tiarnan means “little lord.” Two syllables, stress on the first.

TEER-nee

Tierney means “lord, chief.” Two syllables, stress on the first.

Timothy in Irish is Tadhg, meaning “poet, philosopher.” Say it TI-gue.

toh-MOSS

Tomas means “twin.” Two syllables, stress on the second.

TUR-la

Turlough means “one who aids.” Two syllables, stress on the first.