Girls' name · peaked in 1978

Kristy name popularity since 1925

70,703 babies born in the US from 1925 to 2025 were named Kristy. Half of them were born in 1979 or earlier, so the typical Kristy is about 47 years old in 2026. Kristy peaked in 1978 as the #51 name for girls, and it was outside the top 1,000 in 2025.

Key facts

US babies since 1925
70,703
Named Kristy, 1925–2025
Peak year
1978
#51 for girls that year
Typical age
About 47
Median birth year 1979
In 2025
Not top 1,000
#5,166 for girls in 2025
Girls / boys
99.7% girls
70,524 girls · 179 boys
Most popular in
Utah
1.96× its national share

Peak year is the year Kristy 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.

Kristy births per year, 1925–2025

Babies named Kristy per year, 1925–2025

1978 was the biggest year for Kristy both by count and as a share of all babies.

  • Fastest rise: Between 1973 and 1978, Kristy became 2.7× more common, from 1 in 771 baby girls to 1 in 287.
  • Steepest fall: Between 1978 and 1983, its share of baby girls fell by 61%, from 1 in 287 to 1 in 745.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 00 –
1930s 00 Under 5
1940s 2910 #2,193
1950s 3,2300 #531
1960s 8,08826 #323
1970s 27,77686 #141
1980s 22,38667 #145
1990s 6,1360 #486
2000s 1,7770 #1,347
2010s 6790 #3,280
2020–25 1610 #5,166

Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.

Generation fingerprint

52.1% of babies named Kristy from 1925 to 2025 were born in the Gen X years (1965–1980). The full split by generation:

Kristy by generation Silent Generation born 1928–45 0.1% Baby Boomers born 1946–64 9.5% Gen X born 1965–80 52.1% Millennials born 1981–96 33.4% Gen Z born 1997–2012 4.2% Gen Alpha born 2013–25 0.8%

Where Kristy is most popular

The index compares Kristy'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 Kristy.

StateIndexBabies
Utah1.96×1,146
Idaho1.66×455
Hawaii1.60×344
Tennessee1.58×2,294
Louisiana1.54×1,904

Other spellings

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

SpellingGirlsPeak year
Kristy (this page) 70,524 1978
Kristi 76,484 1972
Kristie 38,361 1974
Cristy 8,200 1978

Names with a similar story

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

Names from the same era

Other common names that peaked within two years of Kristy (1978).

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