Photo: iDominick, CC BY-SA 2.0, via Wikimedia Commons
Singer
Katharine McPhee
American recording artist, singer and songwriter
Katharine McPhee is 42 years old, born on March 25, 1984 in Los Angeles.
Next birthday in 141 days, turning 43.
Official links: Official website (katharinemcphee.net) · Instagram · X · TikTok · Wikipedia
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Katharine’s birthday, by the numbers
- Katharine McPhee was born on a Sunday.
- Katharine McPhee has been alive for about 15,564 days.
- Their 20,000-day milestone falls on December 27, 2038.
- Their next birthday, turning 43, is on a Thursday.
- Next milestone: Katharine McPhee turns 50 on March 25, 2034, in 7 years and 4 months. More milestone birthdays
- Katharine McPhee is younger than 4,438 and older than 2,408 of the living celebrities on CFOTD.
- Half birthday: September 25. Birthstone: Aquamarine and bloodstone.
- Katharine McPhee belongs to Millennials.
Age gaps
- When Katharine McPhee was born, Britney Spears was 2. Compare
- Katharine McPhee was 8 when Selena Gomez was born. Compare
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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 Katharine McPhee?
Katharine McPhee is 42 years old, born on March 25, 1984 in Los Angeles.
What is Katharine McPhee’s zodiac sign?
Aries, born March 25.
Does Katharine McPhee have an official website?
Yes: katharinemcphee.net.