Girls' name · peaked in 1998
Allyson name popularity since 1925
53,779 babies born in the US from 1925 to 2025 were named Allyson. Half of them were born in 1998 or earlier, so the typical Allyson is about 28 years old in 2026. Allyson peaked in 1998 as the #186 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 53,779
- Named Allyson, 1925–2025
- In 2025
- Not top 1,000
- #1,139 for girls in 2025
- Girls / boys
- 100.0% girls
- 53,758 girls · 21 boys
- Most popular in
- Nevada
- 1.78× its national share
Peak year is the year Allyson 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.
Allyson births per year, 1925–2025
1998 was the biggest year for Allyson both by count and as a share of all babies.
- Fastest rise: Between 1957 and 1962, Allyson became 3.1× more common, from 1 in 19,700 baby girls to 1 in 6,240.
- Steepest fall: Between 2020 and 2025, its share of baby girls fell by 55%, from 1 in 3,590 to 1 in 7,920.
Shaded on the chart. Both compare Allyson's share of all US girls five years apart, counting only years with at least 100 babies named Allyson.
Decade by decade
Babies named Allyson in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 231 | 0 | #1,994 |
| 1950s | 1,205 | 0 | #1,074 |
| 1960s | 3,085 | 5 | #445 |
| 1970s | 4,745 | 11 | #435 |
| 1980s | 7,206 | 0 | #356 |
| 1990s | 13,262 | 5 | #218 |
| 2000s | 12,952 | 0 | #257 |
| 2010s | 9,118 | 0 | #363 |
| 2020–25 | 1,954 | 0 | #1,139 |
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
39.3% of babies named Allyson from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Allyson is most popular
The index compares Allyson'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 Allyson.
| State | Index | Babies |
|---|---|---|
| Nevada | 1.78× | 325 |
| Utah | 1.68× | 733 |
| Florida | 1.27× | 2,347 |
| Texas | 1.21× | 4,861 |
| California | 1.19× | 6,456 |
Other spellings
Spellings that sound like Allyson and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Allyson (this page) | 53,758 | 1998 |
| Allison | 318,856 | 1995 |
| Alyson | 29,730 | 1987 |
| Alysson | 1,569 | 2010 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Allyson's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Allyson.
Names from the same era
Other common names that peaked within two years of Allyson (1998).
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