Sullivan Boy
How popular is Sullivan?
#314 boy name in 2025
1,083 baby boys were named Sullivan in the US in 2025, making it the 314th most popular boy name. Another 74 girls got the name (#2,410 for girls).
16,383living people named Sullivan (est.)
9median age of people named Sullivan
17,077babies named Sullivan since 1880
1 in 2,865US babies born in 2025
Sullivan popularity over time
Boys Girls
| Rank in 2025 | #314 for boys (▲ 25 from 2024) |
|---|---|
| Babies in 2025 | 1,083 boys, 74 girls |
| 10-year trend | Rising fast (+62% babies vs 2015) |
| Earlier ranks | #455 in 2015, #398 in 2020 |
| Peak year | 2025 (1,083 boys) |
| Highest rank | #314 in 2025 |
| First recorded | 1884 |
| Boys vs girls (last 10 years) | 91% boys, 9% girls |
| Chance a classmate shares it | 0.8% in a class of 25 kids born in 2025 |
Where Sullivan is most popular
Babies named Sullivan per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
- Vermont: 4.0 per 1,000 (25 boys)
- Maine: 2.8 per 1,000 (55 boys)
- Minnesota: 2.2 per 1,000 (273 boys)
- South Dakota: 2.2 per 1,000 (41 boys)
- South Carolina: 2.0 per 1,000 (211 boys)
Sullivan by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 30 | #628 |
| 1890s | 63 | #629 |
| 1900s | 10 | #835 |
| 1910s | 122 | #1,189 |
| 1920s | 141 | #1,805 |
| 1930s | 110 | #1,723 |
| 1940s | 114 | #1,600 |
| 1950s | 129 | #1,803 |
| 1960s | 85 | #2,083 |
| 1970s | 86 | #2,890 |
| 1980s | 83 | #3,629 |
| 1990s | 535 | #1,356 |
| 2000s | 2,135 | #653 |
| 2010s | 6,428 | #388 |
| 2020s | 5,564 | #314 |
Boy names about as popular as Sullivan
Questions
- Is Sullivan a boy or girl name?
- Sullivan is mostly a boy name. Over the last 10 years, 91% of babies named Sullivan were boys.
- How popular is the name Sullivan?
- 1,083 baby boys were named Sullivan in the US in 2025, making it the 314th most popular boy name. Another 74 girls got the name (#2,410 for girls).
- When was Sullivan most popular?
- Sullivan peaked in 2025, when 1,083 boys were given the name. Its highest rank was #314 in 2025.
- How many people are named Sullivan?
- 17,077 babies have been named Sullivan in the US since 1880. We estimate about 16,383 of them are alive in 2026, with a median age of 9.
- Where is Sullivan most popular?
- From 2021 to 2025, Sullivan was most common in Vermont, at 4.0 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.