Allison Girl

How popular is Allison?

#103 girl name in 2025

2,564 baby girls were named Allison in the US in 2025, making it the 103rd most popular girl name. Another 6 boys got the name (#10,691 for boys).

Compare with other names
312,124living people named Allison (est.)
31median age of people named Allison
322,944babies named Allison since 1880
1 in 1,290US babies born in 2025

Allison popularity over time

05,00010,000 18801900192019401960198020002020

Boys Girls

Rank in 2025#103 for girls (▼ 4 from 2024)
Babies in 20252,564 girls, 6 boys
10-year trendFalling fast (-52% babies vs 2015)
Earlier ranks#39 in 2015, #80 in 2020
Peak year1994 (8,150 girls)
Highest rank#30 in 2009
First recorded1908
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it2% in a class of 25 kids born in 2025

Allison counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Allison family of names ranked #65 for girls in 2025 (#58 the year before), with 4,282 babies in all.

SpellingGirls in 2025Share
Allison 2,564 60%
Alison 644 15%
Allyson 203 5%
Alisson 580 14%
Alyson 157 4%
Allisson 62 1%
Alysson 41 1%
Allisyn 11 0%
Alizon 9 0%
Alisyn 5 0%
Allysson 6 0%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Allison is most popular

Babies named Allison per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Delaware: 4.0 per 1,000 (45 girls)
  2. New Mexico: 3.7 per 1,000 (89 girls)
  3. Texas: 2.8 per 1,000 (2,245 girls)
  4. Nevada: 2.7 per 1,000 (126 girls)
  5. Maryland: 2.7 per 1,000 (285 girls)

Allison by decade

DecadeBaby girlsBest rank
1900s6#1,862
1910s145#1,411
1920s227#1,279
1930s236#1,307
1940s680#704
1950s4,553#264
1960s16,525#128
1970s34,158#66
1980s62,327#42
1990s74,433#34
2000s59,966#30
2010s49,003#34
2020s16,860#80

Girl names about as popular as Allison

Questions

Is Allison a boy or girl name?
Allison is mostly a girl name. Over the last 10 years, 100% of babies named Allison were girls.
How popular is the name Allison?
2,564 baby girls were named Allison in the US in 2025, making it the 103rd most popular girl name. Another 6 boys got the name (#10,691 for boys).
When was Allison most popular?
Allison peaked in 1994, when 8,150 girls were given the name. Its highest rank was #30 in 2009.
How many people are named Allison?
322,944 babies have been named Allison in the US since 1880. We estimate about 312,124 of them are alive in 2026, with a median age of 31.
Where is Allison most popular?
From 2021 to 2025, Allison was most common in Delaware, at 4.0 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.