Irish Surnames Starting with T

From Welsh/Norman (David)

Descendant of Mac an Tanaiste (son of the heir)

Descendant of Tairpigh (sturdy)

Descendant of Téacháin (wanderer)

Descendant of Tighearnaigh (lordly)

Lord or master

Descendant of Taidhg (poet/philosopher)

Descendant of Tiomnach (lordly)

From St. Aubyn

From Tóchar (causeway)

Descendant of Tonnrach (thunderous)

Descendant of Tuaime (mound)

Descendant of Tormaic (Thor descendant)

Descendant of Treasaigh (fierce)

Descendant of Troighthigh (foot soldier)

Descendant of Tobar Brighde (Brigid's well)

Devoted to God's will

Descendant of Tuathaigh (ruler of the people)

Descendant of Toirdhealbhaigh (thunder shape)

Descendant of Tuathaigh (people's ruler)

Descendant of Tuaime (a tumulus)