birth name
Americannoun
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the surname inherited by a person at birth, especially a woman’s maiden name.
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the first or middle name that is given to a person at birth, but which may be changed later according to preference, upon adoption, after gender transition, etc.
Etymology
Origin of birth name
First recorded in 1865–70 birth name for def. 1; 1975–80 birth name for def. 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
My mother’s birth name was Pearl but she changed it to Sue because she loved how it sounded.
From The Wall Street Journal ● Sep. 8, 2026
Once when young, Sorcinelli met the former Robert Prevost -- the birth name of Pope Leo -- then just an Augustinian priest, but the men have not spoken since, he said.
From Barron's ● Aug. 22, 2026
Posting on social media, he said: "At my birth, believe it or not was Jamie Bigg. So in 2026, I'll be reclaiming my birth name and making some big changes."
From BBC ● Jan. 1, 2026
Keaton — then going by her birth name of Diane Hall — needed to be loved by everyone.
From Los Angeles Times ● Oct. 13, 2025
To her embarrassment, she could not remember the baby’s birth name.
From "Little Fires Everywhere" by Celeste Ng
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.