Dark-eyed one
Derived from the Irish surname Ó Súileabháin, it most likely means 'dark-eyed' or 'black-eyed.' The name is associated with one of the most powerful and populous clans in Munster, Ireland. It has transitioned from a traditional surname to a popular first name in the United States.
About 1,083 boys were named Sullivan in 2025.
Australian actor known for 'Blindspot'
Union Army officer known for his poignant letter to his wife
A character in the video game series · Fallout
Main character James P. Sullivan · Monsters, Inc.
US births per 5-year period, 1990–present (SSA data).
The same feel as Sullivan — far less common.
Hidden gems that stand out.
