Spellings
Allison or Alison?
In the US in 2025, 61% of babies in this name family were spelled Allison and 15% Alison. Same name, slightly different impression: here are the figures for each spelling.
Ten years ago
Allison already led in 2015, with 67% of the family's births; it has 61% in 2025. All spellings together, the family went from 8,046 to 4,210 births (−48%).
| Spelling | 2015 | 2025 | Change |
|---|---|---|---|
| Allison | 5,356 | 2,564 | −52% |
| Alison | 967 | 644 | −33% |
| Alisson | 300 | 580 | +93% |
| Allyson | 908 | 203 | −78% |
| Alyson | 419 | 157 | −63% |
| Allisson | 96 | 62 | −35% |
How they sound
All of these spellings are said the same way: /ˈælɪsən/ (AL-ih-sun). So the choice is about how it looks: it is the spelling people will read on a birth card, a name tag or an email address, and the one your child will sometimes spell out.
In France
In France in 2025: Allison 5 births, Alison 20 births, Alisson 10 births, Allyson 10 births and Alyson 15 births. The other spellings are not given there often enough to be counted.
Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.
Which spelling is yours?
The one-minute style quiz.