Noun
birth name (plural birth names)
A name chosen for a child at birth, as opposed to a different name used subsequently.
Her birth name was Elizabeth, but everyone called her Lizzie.
In California the credit card companies must issue a credit card in a person's birth name or married name, whichever the customer prefers.
I didn't want to come up with some generic Johnny Bravo type name. I'm not that cool, so I might as well stick with my birth name. Colin Hanks
Early life Family The house in which Andrić was born Ivan AndrićIvo is a diminutive of Andrić's birth name, Ivan. Source: Internet
Freddie Mercury (then known by his birth name of Farrokh "Freddie" Bulsara) was a fan of Smile and encouraged them to experiment with more elaborate stage and recording techniques. Source: Internet
He changed back to his birth name when lovehatetragedy was released. Source: Internet
He is the most recent pope to choose to retain his birth name as his regnal name upon his accession, as well as only the second and most recent pope to date to take the name "Marcellus" upon being elected. Source: Internet
His birth name is Vito Andolini, but after emigrating to America, he refused to tell the immigration official his last name. Source: Internet