Lillyann
Girl name · #3490 in 2025 · Very rare
How old is the name Lillyann? In official American birth records, Lillyann has been tracked continuously since 1988, giving it 37 years of documented American history.
In 2025, 44 baby girls were named Lillyann, placing it at #3490 in the official national rankings. A decade ago it stood at #1593, so the name has been falling over the past ten years. Roughly one in every 40,909 girls born in 2025 was named Lillyann.
Babies named Lillyann per year. Source: Official national birth records.
The 37-year story
Lillyann first appears in the Social Security records in 1988, when 5 girls received the name. Its peak came in 2011, when 182 girls were named Lillyann — good for #1292 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 Lillyann against up to 5 other names.
Uniqueness: will there be another Lillyann in class?
On our rarity read — which blends how common Lillyann is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Lillyann will likely be the only one in the room, with the occasional spelling-out as the price.
Where Lillyann is most common
State-level data for Lillyann 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 Lillyann
Statistically, parents drawn to Lillyann tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Lilliann, Lilyann, Jazzlynn, Viviann, and Jordynn.
LilliannLilyannJazzlynnViviannJordynnJaslynnIrelynnJadelynn
Rank history (last 25 years)
| Year | Babies named Lillyann | Rank |
|---|---|---|
| 2025 | 44 | #3459 |
| 2024 | 50 | #3176 |
| 2023 | 56 | #2975 |
| 2022 | 44 | #3536 |
| 2021 | 72 | #2460 |
| 2020 | 61 | #2712 |
| 2019 | 75 | #2376 |
| 2018 | 101 | #1953 |
| 2017 | 127 | #1686 |
| 2016 | 150 | #1512 |
| 2015 | 135 | #1593 |
| 2014 | 148 | #1502 |
| 2013 | 150 | #1479 |
| 2012 | 144 | #1530 |
| 2011 | 182 | #1292 |
| 2010 | 164 | #1400 |
| 2009 | 152 | #1502 |
| 2008 | 127 | #1740 |
| 2007 | 109 | #1894 |
| 2006 | 94 | #2081 |
| 2005 | 71 | #2457 |
| 2004 | 52 | #2998 |
| 2003 | 37 | #3731 |
| 2002 | 32 | #3978 |
| 2001 | 24 | #4834 |
Frequently asked questions
How old is the name Lillyann?
In official American birth records, the name Lillyann first appeared in 1988 (over 37 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 37 years.
Is Lillyann a popular girl name?
Lillyann ranked #3490 among girls in 2025 with 44 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1593.
When was the name Lillyann most popular?
Lillyann peaked in 2011, when 182 American girls received the name (ranked #1292 that year). Since 2011 the name has declined from that high.
How rare is the name Lillyann?
In 2025, roughly 1 in 40,909 newborn American girls was named Lillyann. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.