Sullivan
Girl name · #2427 in 2025 · Very rare
Sullivan is currently the #2427 girl name in the United States — 74 babies received it in 2025. A decade ago it stood at #2555, so the name has been rising over the past ten years. Roughly one in every 24,324 girls born in 2025 was named Sullivan.
The 32-year story
Sullivan first appears in the Social Security records in 1993, when 10 girls received the name. Its all-time peak is essentially right now: 2024, with 102 babies and a rank of #1942. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Sullivan per year. Source: SSA.
Unlock the 5-year forecast and compare Sullivan against up to 5 other names.
Uniqueness: will there be another Sullivan in class?
On our rarity read — which blends how common Sullivan is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Sullivan will likely be the only one in the room, with the occasional spelling-out as the price.
Where Sullivan is most common
State-level data for Sullivan is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Sullivan
Statistically, parents drawn to Sullivan tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Morrigan, Scotlynn, Razan, Callahan, and Mulan.
MorriganScotlynnRazanCallahanMulanScarlethScottlynnSeven
Rank history (last 25 years)
| Year | Babies named Sullivan | Rank |
|---|---|---|
| 2025 | 74 | #2410 |
| 2024 | 102 | #1942 |
| 2023 | 85 | #2210 |
| 2022 | 87 | #2174 |
| 2021 | 81 | #2266 |
| 2020 | 77 | #2302 |
| 2019 | 74 | #2400 |
| 2018 | 83 | #2217 |
| 2017 | 91 | #2108 |
| 2016 | 80 | #2343 |
| 2015 | 70 | #2555 |
| 2014 | 49 | #3272 |
| 2013 | 53 | #3076 |
| 2012 | 48 | #3364 |
| 2011 | 29 | #4807 |
| 2010 | 28 | #4974 |
| 2009 | 38 | #4013 |
| 2008 | 22 | #6130 |
| 2007 | 37 | #4131 |
| 2006 | 29 | #4811 |
| 2005 | 22 | #5600 |
| 2004 | 18 | #6489 |
| 2003 | 20 | #5795 |
| 2002 | 29 | #4280 |
| 2001 | 13 | #7724 |
Frequently asked questions
Is Sullivan a popular girl name?
Sullivan ranked #2427 among girls in 2025 with 74 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2555.
When was the name Sullivan most popular?
Sullivan peaked in 2024, when 102 American girls received the name (ranked #1942 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Sullivan?
In 2025, roughly 1 in 24,324 newborn American girls was named Sullivan. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.