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