Quote Originally Posted by Niblox
In Ireland, the female version of Mac or Mc is "Ni" or "Nic" - daughter of - hence Ni Sullabhain (female version of O'Sullabhain or O'Sullivan).
A woman in Ireland who choses to use the Irish form of her name might have Ni or Nic in front of her name, while her husband would be O or Mac/Mc.

I am sure the same happens in some parts of Scotland where they speak Scots Gallic

Niblox