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

See Examples For:

birth date

She immediately rang her mum, Susan, to check her long-lost brother's birth date.

From BBC ● Jul. 23, 2026

They verified his birth date in two registries, and filled in the paperwork to register him for a possible record as a joke, she added.

From Barron's ● May 15, 2026

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

Like everyone in South Vietnam, when she had turned fifteen she had begun carrying a small laminated card with her name, birth date, and photo on it.

From "Boots on the Ground: America's War in Vietnam" by Elizabeth Partridge