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Allison’s birthday, by the numbers
- Allison Williams was born on a Wednesday.
- Allison Williams has been alive for about 14,085 days.
- Their 15,000-day milestone falls on May 8, 2029.
- Their next birthday, turning 39, is on a Tuesday.
- Next milestone: Allison Williams turns 40 on April 13, 2028, in 1 year and 5 months. More milestone birthdays
- Allison Williams is younger than 5,132 and older than 1,714 of the living celebrities on CFOTD.
- Half birthday: October 13. Birthstone: Diamond.
- Allison Williams belongs to Millennials.
Age gaps
- When Allison Williams was born, Leonardo DiCaprio was 13. Compare
- Corbin Bleu was born 10 months and 8 days after Allison Williams. Compare
Born within weeks of Allison
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Share Allison Williams’s birthday, April 13?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for April 13⭐Birthday twin cardA square card to shareBirthday wishes from fans
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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake
Frequently asked questions
How old is Allison Williams?
Allison Williams is 38 years old, born on April 13, 1988 in New Canaan.
What is Allison Williams’s zodiac sign?
Aries, born April 13.