Tilly
Girl name · #886 in 2025 · Uniqueness 36/100
In 2025, 302 baby girls were named Tilly, placing it at #886 in the official national rankings. A decade ago it stood at #2236, so the name has been rising over the past ten years. Roughly one in every 5,960 girls born in 2025 was named Tilly.
The 113-year story
Tilly first appears in the Social Security records in 1912, when 5 girls received the name. Its all-time peak is essentially right now: 2025, with 302 babies and a rank of #884. 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 Tilly per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Tilly against up to 5 other names.
Uniqueness: will there be another Tilly in class?
Tilly scores 36 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Tilly is most common
Geography matters for names, and Tilly is no exception. In 2025 the states with the most Tillys were TX (25), TN (21), GA (18), KY (14), NC (13). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Tilly
Statistically, parents drawn to Tilly tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Maisy, Wrenly, Waverly, Ripley, and Truly.
MaisyWrenlyWaverlyRipleyTrulyMillyIndyNashly
Rank history (last 25 years)
| Year | Babies named Tilly | Rank |
|---|---|---|
| 2025 | 302 | #884 |
| 2024 | 274 | #952 |
| 2023 | 242 | #1043 |
| 2022 | 250 | #1026 |
| 2021 | 218 | #1129 |
| 2020 | 166 | #1327 |
| 2019 | 170 | #1340 |
| 2018 | 129 | #1640 |
| 2017 | 110 | #1854 |
| 2016 | 83 | #2287 |
| 2015 | 84 | #2236 |
| 2014 | 69 | #2560 |
| 2013 | 64 | #2706 |
| 2012 | 68 | #2632 |
| 2011 | 51 | #3222 |
| 2010 | 44 | #3572 |
| 2009 | 41 | #3800 |
| 2008 | 28 | #5142 |
| 2007 | 31 | #4675 |
| 2006 | 17 | #7142 |
| 2005 | 14 | #7891 |
| 2004 | 13 | #8259 |
| 2003 | 14 | #7580 |
| 2002 | 9 | #10246 |
| 2001 | 12 | #8196 |
Frequently asked questions
Is Tilly a popular girl name?
Tilly ranked #886 among girls in 2025 with 302 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2236.
When was the name Tilly most popular?
Tilly peaked in 2025, when 302 American girls received the name (ranked #884 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Tilly?
In 2025, roughly 1 in 5,960 newborn American girls was named Tilly. It scores 36/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
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.