Taggart
Gaelic
A priest.

Tara
Irish Gaelic
A rocky hill, from the ancient home of Ireland's kings.

Tavish
Scottish Gaelic
A twin. A form of Thomas.

Teague
Irish Gaelic
A poet or philosopher.

Tiernan
Irish Gaelic
The descendant of a lord.

Tierney
Irish Gaelic
The descendant of a lord. A boy or girl's name.

Tomas
Gaelic
A twin. A form of Thomas.

Torin
Gaelic
The chief.

Tormey
Irish Gaelic
A thunder spirit.

Torquil
Scottish Gaelic
from Old Norse Thor's cauldron.