Fahy Originally from Galway, the name Fahy is still strongest in that area though it has also spread throughout the country. The original Irish name of O Fathaigh is derived from fothadh which means foundation. |  |
Fitzpatrick Meaning Son of the servant of St Patrick Fitzpatrick is a mixture of Norman (Fitz means Son of) and the original Irish name. It originated in the area around Laois and Kilkenny where the family held their original lands right through to the 19th century. |  |
Flynn Given its original Irish derivation from flann which means reddish, it is no surprise that this was a very common and widespread surname in early Ireland. The most powerful and important families were those in Cork and Roscommon. |  |