Mostly girls · peaked in 1982

Lacy name popularity since 1925

24,144 babies born in the US from 1925 to 2025 were named Lacy (80.8% girls, 19.2% boys). Half of them were born in 1985 or earlier, so the typical Lacy is about 41 years old in 2026. Lacy peaked in 1982 as the #253 name for girls, and it was outside the top 1,000 in 2025.

Key facts

US babies since 1925
24,144
Named Lacy, 1925–2025
Peak year
1982
#253 for girls that year
Typical age
About 41
Median birth year 1985
In 2025
Not top 1,000
#2,597 for girls in 2025
Girls / boys
80.8% girls
19,508 girls · 4,636 boys
Most popular in
Oklahoma
3.22× its national share

Peak year is the year Lacy 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.

Lacy births per year, 1925–2025

Babies named Lacy per year, 1925–2025

1982 was the biggest year for Lacy both by count and as a share of all babies.

  • Fastest rise: Between 1977 and 1982, Lacy became 5.6× more common, from 1 in 9,640 baby girls to 1 in 1,710.
  • Steepest fall: Between 1991 and 1996, its share of baby girls fell by 58%, from 1 in 2,700 to 1 in 6,350.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 100538 –
1930s 169891 #1,961
1940s 163874 #2,110
1950s 174772 #2,677
1960s 345558 #1,935
1970s 1,717399 #709
1980s 8,405294 #269
1990s 4,353180 #652
2000s 2,34883 #943
2010s 1,32740 #1,444
2020–25 4077 #2,597

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

Generation fingerprint

49.1% of babies named Lacy from 1925 to 2025 were born in the Millennial years (1981–1996). The full split by generation:

Lacy by generation Greatest Generation born 1925–27 1.7% Silent Generation born 1928–45 7.9% Baby Boomers born 1946–64 7.4% Gen X born 1965–80 13.2% Millennials born 1981–96 49.1% Gen Z born 1997–2012 15.2% Gen Alpha born 2013–25 5.4%

Where Lacy is most popular

The index compares Lacy'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 Lacy.

StateIndexBabies
Oklahoma3.22×794
North Carolina2.88×1,546
West Virginia2.58×429
Louisiana2.08×708
Kansas1.99×384

Other spellings

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

SpellingGirlsPeak year
Lacy (this page) 19,508 1982
Lacey 53,719 1983
Lacie 10,639 1984
Laci 9,623 2003
Lacee 2,557 1992

Names with a similar story

Of the other 1999 names on this site, these six had the share of babies closest in shape to Lacy's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Lacy.

Names from the same era

Other common names that peaked within two years of Lacy (1982).

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