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CFOTD

Tool

Celebrity age gap calculator

Pick any two celebrities and see exactly how far apart they were born, who is older, and how old one was when the other was born.

  • Mary Martin is older than Marilyn Monroe by 12 years and 6 months.
  • When Marilyn Monroe was born, Mary Martin was 12.
  • On November 30, 1938, Mary Martin was exactly twice as old as Marilyn Monroe.
  • Mary Martin is Sagittarius and Marilyn Monroe is Gemini.

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Famous age gaps

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