Lillien
Lillien was given to 6 girls in 2025, #14,206 among girls’ names; 325 Americans have been recorded with it since 1918 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Lillien by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Lillien?
#14,206 among girls’ names, 2025
Lillien fell from #9,270 in 2015 to #14,206 in 2025 among girls’ names; its share of girls born fell from 6.7 to 3.7 per million.
20 babies in 2007, the peak
Lillien peaked in 2007, when 20 girls were given it, #6,706 among girls’ names. The 6 births of 2025 are 30% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 6 | #14,206 | 3.7 |
| 2024 | 6 | #14,513 | 3.7 |
| 2022 | 7 | #13,025 | 4.3 |
| 2021 | 6 | #14,506 | 3.7 |
| 2020 | 6 | #14,409 | 3.7 |
| 2019 | 14 | #7,971 | 8.3 |
| 2018 | 12 | #8,936 | 7.1 |
| 2017 | 14 | #8,106 | 8.1 |
| 2016 | 14 | #8,228 | 7.9 |
| 2015 | 12 | #9,270 | 6.7 |
Every recorded year (28)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2014 | 17 | #7,178 | 9.5 |
| 2013 | 18 | #6,900 | 10.3 |
| 2012 | 13 | #8,922 | 7.4 |
| 2011 | 20 | #6,467 | 11.4 |
| 2010 | 18 | #7,085 | 10.1 |
| 2009 | 18 | #7,217 | 9.8 |
| 2008 | 17 | #7,600 | 9.0 |
| 2007 | 20 | #6,706 | 10.4 |
| 2006 | 16 | #7,700 | 8.4 |
| 2005 | 10 | #10,599 | 5.4 |
| 2004 | 12 | #9,025 | 6.5 |
| 2003 | 11 | #9,418 | 6.0 |
| 2002 | 8 | #11,724 | 4.5 |
| 2001 | 7 | #12,863 | 3.9 |
| 2000 | 5 | #16,488 | 2.8 |
| 1929 | 5 | #4,974 | 4.5 |
| 1928 | 5 | #5,110 | 4.3 |
| 1918 | 8 | #3,690 | 6.9 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Lillien a boy’s or a girl’s name?
Lillien has been recorded only for girls: SSA lists no boys with the name in 28 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Lillien: the SSA national file counts each sex separately.
How many people are named Lillien, and how old are they?
An estimated 305 Americans named Lillien and born in the U.S. are alive in 2026 (94% of everyone recorded); the median is 15 years old and half are between 10 and 19. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 267 people named Lillien (264 women and girls, 3 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 278 born in the U.S. The Census count is 4% below that prediction.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
Names spelled alike
Of these 8 names spelled alike, given to 502,118 babies since 1880, Lillien is the seventh most given (<1% of them). In 2025 it was given to 6 of their 4,566 babies (<1%), the fifth most given that year.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Lillien
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Lillien and names like it
- Compare Lillien and LillianBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2000sLillien peaked in 2007.
- The top names of 2007The year the most babies were named Lillien.
- The names of Generation ZMost people named Lillien alive today were born 1997-2012.
- Names starting with LMost given first.