date of birth

noun phrase

: the month, day, and year a person was born : birth date
Give your full name and date of birth.

Examples of date of birth in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Provide your date of birth, email and residential address. Tyler Everett, MSNBC Newsweek, 30 Aug. 2025 It is not known when that video was taken, nor is the date of birth or name known. Ryan Morik, FOXNews.com, 28 Aug. 2025 According to the news release, through June 2024, Redmond used her mother's identity as her own, including her biographical information like date of birth and Social Security number on official forms. Greta Cross, USA Today, 22 Aug. 2025 During the leak, former and current customers' information was exploited, including names, Social Security numbers, dates of birth and more personal details. Shelby Slade, AZCentral.com, 15 Aug. 2025 Still, the breach raises concerns that the hackers stole a plethora of sensitive data since insurance providers collect things like dates of birth and Social Security numbers. PC Magazine, 28 July 2025

Word History

First Known Use

1789, in the meaning defined above

Time Traveler
The first known use of date of birth was in 1789

Browse Nearby Words

Cite this Entry

“Date of birth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/date%20of%20birth. Accessed 6 Sep. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!