Girl & boy name
Sullivan
As of 2025, Sullivan ranks #314 among American boys' names, according to Social Security records. 1,083 boys received the name that year. It has climbed from #398 to #314 over the past five years. The name has never been bigger: its all-time peak in a record going back to 1884 is happening right now. Geographically, it's strongest in Vermont, where it ranks #37 among boy names.
Rankings
Sullivan popularity, 1880–2025
Where Sullivan is most popular
Uniqueness score
A familiar pick that most people will recognize instantly. Based on how many babies per birth were named Sullivan in the most recent year of SSA data.
Sullivan as a girl name
Sullivan is currently the #2410 girl name in the United States, based on 2025 Social Security data. In raw numbers: 74 babies. The ranking has held remarkably steady over the last five years. Looking at the full record since 1993, Sullivan hit its all-time high of #1942 in 2024, when 102 girls were given the name. State by state, South Carolina leads the way at #467.