O'SULLIVAN

O'Sullivan

O'Sullivan is a common Irish surname with strong historical roots in the Kingdom of Munster. The surname is of Gaelic origin, derived from the Irish "O Suileabhain," meaning "descendant of Suileabhan." The prefix "O" signifies "grandson" or "descendant," indicating a family connection or lineage.

The O'Sullivan clan, part of the larger Eóganachta tribal grouping, played a significant role in Irish history and politics, particularly in County Kerry and County Cork. The O'Sullivan Beara were one of the most notable branches of the family, renowned for their fierce independence and their resistance against English rule.

During the Irish diaspora, many O'Sullivans emigrated to the United Kingdom, especially to England, Scotland, and Wales, enriching the cultural diversity of these regions. Today, the surname O'Sullivan is still prevalent in Ireland and the wider British Isles, with many individuals proudly bearing this heritage.

Noteworthy individuals bearing the O'Sullivan name include athletes, academics, artists, and public figures who have made significant contributions to their respective fields. The surname remains a symbol of Irish identity and heritage, reflecting the enduring legacy of the O'Sullivan clan across generations.

Surname type: From name of parent

Origin: Celtic

Region of origin: British Isles

Country of origin: Ireland

Religion of origin: Christian

Language of origin: Gaelic

Typical given names associated with the surname

Male

• Anthony
• Daniel
• David
• James
• John
• Kevin
• Michael
• Patrick
• Paul
• Peter
• Shaun
• Thomas

Female

• Catherine
• Claire
• Elizabeth
• Helen
• Julie
• Margaret
• Mary
• Patricia
• Sarah
• Susan