birth date

American  

[burth-deyt] / ˈbɜrθˌdeɪt /

Or birthdate

noun

1. the date of a person’s birth, usually expressed as a specific day, month, and year.

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Etymology

Origin of birth date

First recorded in 1550–1600

Example Sentences

For Claude, HealthEx needed my birth date, phone number, face scan and a driver’s license for verification.

From The Wall Street Journal • Apr. 4, 2026

A parent just needs their child’s original Social Security card and birth date.

From MarketWatch • Mar. 23, 2026

Best birth date estimate for this railroad cafe: 1886 or 1887, and its address is now in Santa Clarita, a town that didn’t even exist then, but which rallied to save the café during Covid.

From Los Angeles Times • Aug. 8, 2025

Scripture does not record the birth date of Jesus Christ, and so early Christian scholars spent centuries wrangling over when to celebrate this most important apotheosis.

From Salon • Dec. 24, 2024

Bill Gates: October 28, 1955 That’s the perfect birth date!

From "Outliers" by Malcolm Gladwell