Most Common Surnames In Northern Ireland. Fitzgerald Fitzgerald was a very common surname in County Cork Ireland. DeCarew DeCarew. Many of these came to Ulster with settlers from Cheshire Lancashire Yorkshire and Westmoreland who tended to favour settlement along the Lagan valley. Moore shares in Irish English and Scottish heritage but remains one of the most prolific surnames in Belfast.
Deasy Deasy. The most popular boy names are. Oliver Noah Jacob in Wales. These sorts of names are very common in far Northern Albania and in Kosovo. Can you guess the 20 most common surnames in Northern Ireland. Coppinger Coppinger.
Doherty in North Ireland.
Data and Facts. Some common names are Northern Albanian clan names that double as place names such as Kelmendi and Shkreli. The Dohertys were a powerful clan who led rebellions and according to Roots Ireland helped pave the way for the Plantation of Ulster. By the 1901 census the following were the most numerous Irish surnames in Fermanagh starting with the most numerous. Jack Olivier James for Scotland. Oliver Noah Jacob in Wales.