Evolution of the Name:
From the Irish, Mac an Tiernan, the T became silent and said quick became McKiernan, then the Mc was dropped.
Anglicized as:
Often is Masterson. Not in our immidiate family.
Origin:
Cavan, an O’Rourke / O’ Reilly clan.
Famous People:
Said to be related:
Kitty Kiernan (The Larry Kiernans and our Elizabeth Kiernan were both of Aughagreagh)
Ma said the families are related.
Not Related
Catherina McKiernan (Runner)