Girls' name · peaked in 2011

Lily name popularity since 1925

182,252 babies born in the US from 1925 to 2025 were named Lily. Half of them were born in 2011 or earlier, so the typical Lily is about 15 years old in 2026. Lily peaked in 2011 as the #15 name for girls, and it ranked #18 in 2025.

Key facts

US babies since 1925
182,252
Named Lily, 1925–2025
Peak year
2011
#15 for girls that year
Typical age
About 15
Median birth year 2011
In 2025
#18
for girls in 2025 (6,673 babies)
Girls / boys
99.9% girls
182,107 girls · 145 boys
Most popular in
Utah
2.25× its national share

Peak year is the year Lily 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.

Lily births per year, 1925–2025

Babies named Lily per year, 1925–2025

2011 was the biggest year for Lily both by count and as a share of all babies.

  • Steepest fall: Between 1941 and 1946, Lily's share of baby girls fell by 43%, from 1 in 7,280 to 1 in 12,900.
  • Fastest rise: Between 1994 and 1999, it became 3.3× more common, from 1 in 2,760 baby girls to 1 in 836.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 1,7195 –
1930s 2,2295 #447
1940s 1,5110 #606
1950s 1,4260 #740
1960s 1,1480 #1,081
1970s 1,2200 #1,002
1980s 2,7086 #711
1990s 9,7720 #320
2000s 56,18677 #39
2010s 68,31647 #25
2020–25 35,8725 #18

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

Generation fingerprint

47.0% of babies named Lily from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:

Lily by generation Greatest Generation born 1925–27 0.6% Silent Generation born 1928–45 2.1% Baby Boomers born 1946–64 1.4% Gen X born 1965–80 1.1% Millennials born 1981–96 3.9% Gen Z born 1997–2012 47.0% Gen Alpha born 2013–25 43.9%

Where Lily is most popular

The index compares Lily'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 Lily.

StateIndexBabies
Utah2.25×3,457
Nevada1.99×1,281
Hawaii1.93×1,089
Alaska1.85×497
New Hampshire1.75×990

Other spellings

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

SpellingGirlsPeak year
Lily (this page) 182,107 2011
Lillie 79,821 1882
Lilly 59,588 2011
Lili 3,828 2003
Lilli 3,372 2006
Lillee 1,085 2010

Names with a similar story

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

Names from the same era

Other common names that peaked within two years of Lily (2011).

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