Girls' name · peaked in 1898

Lillian name popularity since 1925

284,311 babies born in the US from 1925 to 2025 were named Lillian. Half of them were born in 1998 or earlier, so the typical Lillian is about 28 years old in 2026. Lillian peaked in 1898 as the #10 name for girls, and it ranked #57 in 2025.

Key facts

US babies since 1925
284,311
Named Lillian, 1925–2025
Peak year
1898
#10 for girls that year
Typical age
About 28
Median birth year 1998
In 2025
#57
for girls in 2025 (3,966 babies)
Girls / boys
99.7% girls
283,542 girls · 769 boys
Most popular in
New Hampshire
1.59× its national share

Peak year is the year Lillian made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.

Lillian births per year, 1925–2025

Babies named Lillian per year, 1925–2025

The biggest year on this chart was 1925. Measured as a share of all babies, Lillian peaked earlier, in 1898.

  • Steepest fall: Between 1934 and 1939, Lillian's share of baby girls fell by 38%.
  • Fastest rise: Between 1995 and 2000, it became 2.7× more common, from 1 in 1,870 baby girls to 1 in 698.

Shaded on the chart. Both compare Lillian's share of all US girls five years apart, counting only years with at least 100 babies named Lillian.

Decade by decade

Babies named Lillian in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).

Decade GirlsBoys Rank
1925–29 35,483185 –
1930s 37,391225 #66
1940s 22,31590 #124
1950s 16,50951 #195
1960s 10,60657 #272
1970s 5,36415 #437
1980s 5,39014 #413
1990s 11,22913 #294
2000s 49,39373 #50
2010s 64,96041 #26
2020–25 24,9025 #57

Ranks count every name given to at least 5 girls that year, so they can go past 1,000.

Generation fingerprint

26.7% of babies named Lillian from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:

Lillian by generation Greatest Generation born 1925–27 8.2% Silent Generation born 1928–45 22.5% Baby Boomers born 1946–64 11.0% Gen X born 1965–80 3.6% Millennials born 1981–96 3.8% Gen Z born 1997–2012 26.7% Gen Alpha born 2013–25 24.2%

Where Lillian is most popular

The index compares Lillian's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Lillian.

StateIndexBabies
New Hampshire1.59×1,422
Vermont1.58×751
Alaska1.53×649
Maine1.50×1,828
Hawaii1.48×1,320

Other spellings

Spellings that sound like Lillian and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.

SpellingGirlsPeak year
Lillian (this page) 283,542 1898
Lilian 18,770 2007
Lillyan 2,258 2009
Lilliann 1,258 2009

Names with a similar story

Of the other 499 names on this site, these six had the share of babies closest in shape to Lillian's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Lillian.

Names from the same era

Other common names that peaked within two years of Lillian (1898).

Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data