There are
128
Sillivans in the USA
Sillivan is the
132206th
most common last name in the USA

Historical figures and celebrities called Sillivan

TimothySullivan

Timothy Sullivan was an influential Irish-American politician and labor leader, known for his advocacy for workers' rights and his role in the Tammany Hall political machine in New York City during the late 19th and early 20th centuries.

GraceSullivan

Grace Sullivan was a prominent Irish journalist and women's rights activist, recognized for her groundbreaking reporting and her efforts to promote gender equality in Ireland during the early 20th century.

PatrickSullivan

Patrick Sullivan was a renowned Australian poet and writer, celebrated for his contributions to Australian literature and his exploration of themes related to identity, heritage, and the natural landscape.

MeganSullivan

Megan Sullivan is a contemporary American adventurer and motivational speaker, known for her extraordinary travel experiences and her inspiring journey of personal growth and resilience.

SeanSullivan

Sean Sullivan is a Canadian entrepreneur and business leader, recognized for his innovative contributions to the technology sector and his successful endeavors in founding and scaling tech companies.

Sillivan Genealogy

OriginsThe Sillivan surname originates from Ireland and is associated with Gaelic heritage. It is believed to have originated in County Cork and spread to other parts of the country over time.
Geographic DistributionThe Sillivan surname is most popular in Ireland, where it has significant representation. It can also be found in countries with Irish diaspora, such as the United States, the United Kingdom, Canada, and Australia.
VariationsVariations of the Sillivan surname include Sullivan, O'Sullivan, Sullivant, and O'Sullabhain.
Migration and ImmigrationThe Sillivan family has a history of migration and immigration, particularly during the Irish diaspora in the 19th and 20th centuries. Many Sullivans emigrated to countries like the United States, seeking better opportunities and contributing to the growth of their adopted nations.