boy name
Sullivan
Gender
Boy
Popularity
#314 · U.S. boys (2025)
Popularity of Sullivan in the US, 1880–2025
Sullivan first appears in US records in 1884. It peaked in 2025, when 1,083 boys were given the name; in 2025 there were 1,083.
Source: US Social Security Administration.
Frequently asked questions
Is Sullivan a boy or a girl name?
Sullivan is most commonly used as a boy name.
How popular is the name Sullivan?
In 2025, Sullivan ranked #314 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Sullivan most popular?
Sullivan was most popular in 2025, when about 1,083 US babies were given the name that year, according to US Social Security Administration records.