Mostly girls · peaked in 2025

Blair name popularity since 1925

37,195 babies born in the US from 1925 to 2025 were named Blair (62.5% girls, 37.5% boys). Half of them were born in 1993 or earlier, so the typical Blair is about 33 years old in 2026. Blair peaked in 2025 as the #169 name for girls, and it ranked #169 in 2025.

Key facts

US babies since 1925
37,195
Named Blair, 1925–2025
Peak year
2025
#169 for girls that year
Typical age
About 33
Median birth year 1993
In 2025
#169
for girls in 2025 (1,806 babies)
Girls / boys
62.5% girls
23,243 girls · 13,952 boys
Most popular in
Utah
2.28× its national share

Peak year is the year Blair 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.

Blair births per year, 1925–2025

Babies named Blair per year, 1925–2025

2025 was the biggest year for Blair both by count and as a share of all babies.

  • Fastest rise: Between 1980 and 1985, Blair became 2.9× more common, from 1 in 9,770 baby girls to 1 in 3,350.
  • Steepest fall: Between 1996 and 2001, its share of baby girls fell by 55%, from 1 in 5,250 to 1 in 11,700.

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

Decade by decade

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

Decade GirlsBoys Rank
1925–29 6397 –
1930s 18629 #4,284
1940s 82848 #3,420
1950s 2492,250 #2,066
1960s 3692,364 #1,690
1970s 4141,689 #2,458
1980s 4,4062,182 #430
1990s 3,5621,758 #641
2000s 1,771731 #1,335
2010s 4,809691 #606
2020–25 7,557413 #169

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

Generation fingerprint

33.5% of babies named Blair from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:

Blair by generation Greatest Generation born 1925–27 0.7% Silent Generation born 1928–45 3.5% Baby Boomers born 1946–64 12.0% Gen X born 1965–80 10.0% Millennials born 1981–96 27.9% Gen Z born 1997–2012 12.5% Gen Alpha born 2013–25 33.5%

Where Blair is most popular

The index compares Blair'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 Blair.

StateIndexBabies
Utah2.28×577
Louisiana2.22×1,183
Maryland1.67×758
Pennsylvania1.56×2,362
Virginia1.53×1,023

Other spellings

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

SpellingGirlsPeak year
Blair (this page) 23,243 2025
Blaire 7,959 2025

Names with a similar story

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

Names from the same era

Other common names that peaked within two years of Blair (2025).

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