Photo: Flickr user glaurent, CC BY-SA 2.0, via Wikimedia Commons
Musician
Sean Lennon
American composer and musician, son of John Lennon and Yoko Ono
Sean Lennon is 51 years old, born on October 9, 1975.
Next birthday in 339 days, turning 52.
Official links: Official website (seanonolennon.com) · Instagram · X · Wikipedia
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Sean’s birthday, by the numbers
- Sean Lennon was born on a Thursday.
- Sean Lennon has been alive for about 18,654 days.
- Their 20,000-day milestone falls on July 12, 2030.
- Their next birthday, turning 52, is on a Saturday.
- Next milestone: Sean Lennon turns 60 on October 9, 2035, in 8 years and 11 months. More milestone birthdays
- Sean Lennon is younger than 3,170 and older than 3,676 of the living celebrities on CFOTD.
- Half birthday: April 9. Birthstone: Opal and tourmaline.
- Sean Lennon belongs to Gen X.
Age gaps
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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 Sean Lennon?
Sean Lennon is 51 years old, born on October 9, 1975.
What is Sean Lennon’s zodiac sign?
Libra, born October 9.
Does Sean Lennon have an official website?
Yes: seanonolennon.com.