Lilly Girl
How popular is Lilly?
#252 girl name in 2025
1,218 baby girls were named Lilly in the US in 2025, making it the 252nd most popular girl name.
Lilly popularity over time
Boys Girls
| Rank in 2025 | #252 for girls (▲ 9 from 2024) |
|---|---|
| Babies in 2025 | 1,218 girls |
| 10-year trend | Falling (-48% babies vs 2015) |
| Earlier ranks | #139 in 2015, #229 in 2020 |
| Peak year | 2010 (2,891 girls) |
| Highest rank | #103 in 2011 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.9% in a class of 25 kids born in 2025 |
Lilly counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Lily family of names ranked #16 for girls in 2025 (#17 the year before), with 8,475 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Lily | 6,673 | 79% |
| Lilly | 1,218 | 14% |
| Lillie | 420 | 5% |
| Lili | 61 | 1% |
| Lilli | 37 | 0% |
| Lillee | 15 | 0% |
| Lilee | 17 | 0% |
| Lilley | 6 | 0% |
| Lilie | 12 | 0% |
| Lileigh | 6 | 0% |
| Lilleigh | 5 | 0% |
| Lylee | 5 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Lilly is most popular
Babies named Lilly per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- West Virginia: 2.4 per 1,000 (63 girls)
- Montana: 2.4 per 1,000 (32 girls)
- North Dakota: 2.0 per 1,000 (26 girls)
- Kentucky: 1.9 per 1,000 (160 girls)
- Alaska: 1.9 per 1,000 (16 girls)
Lilly by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1880s | 781 | #191 |
| 1890s | 1,107 | #237 |
| 1900s | 1,314 | #263 |
| 1910s | 2,369 | #315 |
| 1920s | 2,964 | #360 |
| 1930s | 2,034 | #425 |
| 1940s | 1,596 | #496 |
| 1950s | 1,416 | #670 |
| 1960s | 1,134 | #843 |
| 1970s | 630 | #1,389 |
| 1980s | 714 | #1,408 |
| 1990s | 2,270 | #520 |
| 2000s | 17,271 | #116 |
| 2010s | 23,527 | #103 |
| 2020s | 7,601 | #218 |
Girl names about as popular as Lilly
Questions
- Is Lilly a boy or girl name?
- Lilly is mostly a girl name. Over the last 10 years, 100% of babies named Lilly were girls.
- How popular is the name Lilly?
- 1,218 baby girls were named Lilly in the US in 2025, making it the 252nd most popular girl name.
- When was Lilly most popular?
- Lilly peaked in 2010, when 2,891 girls were given the name. Its highest rank was #103 in 2011.
- How many people are named Lilly?
- 66,752 babies have been named Lilly in the US since 1880. We estimate about 55,446 of them are alive in 2026, with a median age of 15.
- Where is Lilly most popular?
- From 2021 to 2025, Lilly was most common in West Virginia, at 2.4 of every 1,000 girls 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.