Lillie
Girl name · #675 in 2025 · Rare
How old is the name Lillie? In official American birth records, Lillie has been tracked continuously since 1880, giving it 145 years of documented American history.
In 2025, 420 baby girls were named Lillie, placing it at #675 in the official national rankings. A decade ago it stood at #576, so the name has been falling over the past ten years. Roughly one in every 4,286 girls born in 2025 was named Lillie.
Babies named Lillie per year. Source: Official national birth records.
The 145-year story
Lillie first appears in the Social Security records in 1880, when 647 girls received the name. Its peak came in 1919, when 3,262 girls were named Lillie — good for #81 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. 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 Lillie against up to 5 other names.
Uniqueness: will there be another Lillie in class?
On our rarity read — which blends how common Lillie is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Lillie will likely be the only one in the room, with the occasional spelling-out as the price.
Where Lillie is most common
Geography matters for names, and Lillie is no exception. Adjusted for how many girls are born in each state, Lillie is most common in SC (1.1 per 1,000), KY (1 per 1,000), AL (0.8 per 1,000), TN (0.6 per 1,000), LA (0.6 per 1,000) — against a national average of about 0.3 per 1,000 girls. These are per-capita rates, so they show where Lillie is a genuine regional favorite rather than just where the most babies are born.
Names like Lillie
Statistically, parents drawn to Lillie tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Nellie, Mattie, Mollie, Lizzie, and Addie.
NellieMattieMollieLizzieAddieAdeleRuthieTillie
Rank history (last 25 years)
| Year | Babies named Lillie | Rank |
|---|---|---|
| 2025 | 420 | #675 |
| 2024 | 418 | #682 |
| 2023 | 413 | #699 |
| 2022 | 377 | #760 |
| 2021 | 364 | #779 |
| 2020 | 388 | #718 |
| 2019 | 449 | #650 |
| 2018 | 442 | #667 |
| 2017 | 444 | #663 |
| 2016 | 495 | #608 |
| 2015 | 531 | #576 |
| 2014 | 612 | #508 |
| 2013 | 585 | #510 |
| 2012 | 622 | #495 |
| 2011 | 644 | #463 |
| 2010 | 682 | #452 |
| 2009 | 751 | #426 |
| 2008 | 653 | #485 |
| 2007 | 671 | #483 |
| 2006 | 637 | #488 |
| 2005 | 599 | #504 |
| 2004 | 500 | #571 |
| 2003 | 422 | #633 |
| 2002 | 388 | #652 |
| 2001 | 326 | #735 |
Frequently asked questions
How old is the name Lillie?
In official American birth records, the name Lillie first appeared in 1880 (over 145 years ago), when 647 newborn girls received the name. It has over a century of continuous American history.
Is Lillie a popular girl name?
Lillie ranked #675 among girls in 2025 with 420 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #576.
When was the name Lillie most popular?
Lillie peaked in 1919, when 3,262 American girls received the name (ranked #81 that year). Since 1919 the name has declined from that high.
How rare is the name Lillie?
In 2025, roughly 1 in 4,286 newborn American girls was named Lillie. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.