Boys' name · peaked in 2022

Knox name popularity since 1925

24,135 babies born in the US from 1925 to 2025 were named Knox (1.0% girls, 99.0% boys). Half of them were born in 2019 or earlier, so the typical Knox is about 7 years old in 2026. Knox peaked in 2022 as the #199 name for boys, and it ranked #196 in 2025.

Key facts

US babies since 1925
24,135
Named Knox, 1925–2025
Peak year
2022
#199 for boys that year
Typical age
About 7
Median birth year 2019
In 2025
#196
for boys in 2025 (1,836 babies)
Girls / boys
99.0% boys
240 girls · 23,895 boys
Most popular in
Utah
3.67× its national share

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

Knox births per year, 1925–2025

Babies named Knox per year, 1925–2025

2022 was the biggest year for Knox both by count and as a share of all babies.

  • Fastest rise: Between 2009 and 2014, Knox became 3.8× more common, from 1 in 5,820 baby boys to 1 in 1,540.

Shaded on the chart. This compares Knox's share of all US boys five years apart, counting only years with at least 100 babies named Knox.

Decade by decade

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

Decade GirlsBoys Rank
1925–29 077 –
1930s 095 #2,627
1940s 0111 #2,490
1950s 092 #3,099
1960s 041 #4,213
1970s 020 Under 5
1980s 030 #4,950
1990s 0127 #5,353
2000s 0753 #2,415
2010s 11512,055 #258
2020–25 12510,494 #196

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

Generation fingerprint

86.0% of babies named Knox from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:

Knox by generation Greatest Generation born 1925–27 0.2% Silent Generation born 1928–45 0.9% Baby Boomers born 1946–64 0.6% Gen X born 1965–80 0.1% Millennials born 1981–96 0.4% Gen Z born 1997–2012 11.8% Gen Alpha born 2013–25 86.0%

Where Knox is most popular

The index compares Knox'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 Knox.

StateIndexBabies
Utah3.67×717
Nebraska2.63×424
Tennessee2.48×1,200
Arkansas1.79×423
Iowa1.75×512

Names with a similar story

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

Names from the same era

Other common names that peaked within two years of Knox (2022).

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