← All Irish Surnames & Heritage

County Limerick

Contae Luimnigh · Munster
Angela's Ashes country — the Shannon estuary, the Fitzgeralds, and the O'Brien country of the western shore

Common Surnames from County Limerick

The most frequent family names with roots in County Limerick:

O'Brien Fitzgerald Moloney Considine Collins McMahon Hartigan Sheahan

History & Heritage

County Limerick sits at the broadest point of the Shannon estuary — Ireland's longest river spreads here into a wide tidal channel that gave the city its strategic importance. Limerick city was a major Viking settlement (Hlymrekr), a Norman stronghold, and a sieged Jacobite city. The Treaty of Limerick (1691), signed after the Williamite War, guaranteed rights to Irish Catholics — rights that were promptly broken, setting in motion the Penal Laws and a century of Catholic dispossession.

Frank McCourt's memoir 'Angela's Ashes' made Limerick synonymous with Irish poverty in the mid-twentieth century: the lanes and tenements, the chronic unemployment, the emigrant ship. It's a partial portrait, but an indelible one.

The Fitzgerald family — the Geraldines — were among the most powerful Norman dynasties in Ireland, and Limerick was central to their territory. The O'Brien clan, from whose kingdom County Clare also takes much of its character, controlled much of the county before the Norman conquest.

The County Limerick Diaspora in America

Limerick emigrants settled prominently in New York, Boston, and Melbourne. The Limerick Lace tradition — a form of needle-run lace developed in the nineteenth century — was carried abroad by emigrant women and became part of Irish-American domestic culture. The Moloney, Considine, and McMahon names appear throughout Irish-American genealogical records from the mid-nineteenth century.

Stay Connected to County Limerick

Love Ireland has covered Limerick's revival — the city's regeneration, the Hunt Museum, the vibrant food scene, and the extraordinary countryside of the county's northern reaches along the Shannon. If Limerick is your ancestral county, our newsletter is a weekly update from the place your family left.

Subscribe to Love Ireland — Free

Researching Your County Limerick Ancestry

Notable People from County Limerick