The most frequent family names with roots in County Kerry — names that spread through Ireland and the Irish diaspora:
Kerry is called "The Kingdom" — a title its people accept without irony. The county occupies the south-western tip of Ireland, a place of Atlantic force and ancient settlements. The Dingle Peninsula alone contains more than 2,000 archaeological sites, many of them older than the Pyramids.
The most common Kerry surnames carry the county's story. The O'Sullivans (Ó Súilleabháin) were once one of the most powerful clans in Munster; after the Flight of the Earls and the Cromwellian plantations, they scattered — to Europe, to Argentina, to New England. The O'Connors, the O'Sheas, the Moriartys: each name a thread that can be pulled back to a specific valley or townland.
The Famine hit Kerry hard. Between 1845 and 1852, the county's population collapsed from around 293,000 to roughly 200,000 — a third lost to starvation, disease, and emigration. The ships that left Cobh (then Queenstown) carried Kerry families to Boston, New York, and Chicago, where their surnames became among the most common Irish-American names in the country.
Kerry is one of the counties most associated with Irish-American identity. The Kennedy family traced their roots to Dunganstown, County Wexford, but the Massachusetts Irish community that shaped American political life drew heavily from Kerry emigrant families. In Chicago alone, communities of Kerry emigrants maintained their county identity for three generations.
Love Ireland frequently covers Kerry — the Ring of Kerry, the Skelligs, the Dingle pub scene, the Irish language strongholds of the Corca Dhuibhne peninsula. If Kerry is your ancestral county, our weekly newsletter brings you the living version of the place your family left.
Subscribe to Love Ireland — FreeIf your family came from County Kerry, here's where to start your research:
Many of the most common County Kerry surnames have their own dedicated pages on this site: