Photo: CBS Television, Public domain, via Wikimedia Commons
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Don’s birthday, by the numbers
- Don Knotts was born on a Monday.
- Don Knotts would have turned 102 in 2026.
- Half birthday: January 21. Birthstone: Ruby.
- Don Knotts belongs to Born before 1946, the stars born before the Baby Boom.
Age gaps
- When Don Knotts was born, Marlene Dietrich was 22. Compare
- Don Knotts was 1 when Marilyn Monroe was born. Compare
Born within weeks of Don
Sidney LumetFilm director · June 25, 1924
Eva Marie SaintActor · July 4, 1924
Pat HingleActor · July 19, 1924
Ephraim KishonFilm director · August 24, 1924
Dinah WashingtonSinger · August 29, 1924
Chet AtkinsMusician · June 20, 1924Days and weekdays are worked out from the birth date. Compare Don’s age with anyone.
Share Don Knotts’s birthday, July 21?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 July 21⭐Birthday twin cardA square card to share
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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
When was Don Knotts born?
Don Knotts was born on July 21, 1924 and died on February 24, 2006, aged 81.
What is Don Knotts’s zodiac sign?
Cancer, born July 21.