Irish and Irish-Americans alike tend to be immensely proud of their surnames. But which last names win in the battle of Irishness? Here are the top 10 most popular Irish last names.
The O'Sullivan Clan of Munster has produced fine military leaders, sporting heroes, politicians, movie stars, songwriters, and even a space walker, as the following history of one of the most popular Irish names illustrates. The O'Sullivans or Sullivans are one of the most populous of the Munster families