Reilly
Girl name · #2844 in 2025 · Uniqueness 80/100
Reilly is currently the #2844 girl name in the United States — 60 babies received it in 2025. A decade ago it stood at #2123, so the name has been falling over the past ten years. Roughly one in every 30,000 girls born in 2025 was named Reilly.
Babies named Reilly per year, 1880–2025. Source: SSA.
The 47-year story
Reilly first appears in the Social Security records in 1978, when 6 girls received the name. Its peak came in 1998, when 379 girls were named Reilly — good for #623 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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.
Unlock the 5-year forecast and compare Reilly against up to 5 other names.
Uniqueness: will there be another Reilly in class?
Reilly scores 80 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Reilly will likely be the only one in the room, with the occasional spelling-out as the price.
Where Reilly is most common
Geography matters for names, and Reilly is no exception. In 2025 the states with the most Reillys were IL (6), NJ (6), NY (6), PA (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Reilly
Statistically, parents drawn to Reilly tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Emilly, Ally, Keely, Kayley, and Magaly.
EmillyAllyKeelyKayleyMagalyCarleySidneyRayven
Rank history (last 25 years)
| Year | Babies named Reilly | Rank |
|---|---|---|
| 2025 | 60 | #2822 |
| 2024 | 64 | #2694 |
| 2023 | 50 | #3225 |
| 2022 | 65 | #2661 |
| 2021 | 65 | #2638 |
| 2020 | 81 | #2216 |
| 2019 | 81 | #2249 |
| 2018 | 72 | #2457 |
| 2017 | 75 | #2401 |
| 2016 | 99 | #1996 |
| 2015 | 90 | #2123 |
| 2014 | 89 | #2139 |
| 2013 | 103 | #1929 |
| 2012 | 108 | #1859 |
| 2011 | 140 | #1564 |
| 2010 | 139 | #1574 |
| 2009 | 163 | #1432 |
| 2008 | 193 | #1286 |
| 2007 | 199 | #1244 |
| 2006 | 178 | #1314 |
| 2005 | 241 | #1011 |
| 2004 | 268 | #903 |
| 2003 | 276 | #869 |
| 2002 | 305 | #775 |
| 2001 | 325 | #737 |
Frequently asked questions
Is Reilly a popular girl name?
Reilly ranked #2844 among girls in 2025 with 60 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2123.
When was the name Reilly most popular?
Reilly peaked in 1998, when 379 American girls received the name (ranked #623 that year). Since 1998 the name has declined from that high.
How rare is the name Reilly?
In 2025, roughly 1 in 30,000 newborn American girls was named Reilly. It scores 80/100 on our uniqueness scale (rarity blended with momentum), which we classify as "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.