surname vs. maiden name
[sur-neym, sur-neym, sur-neym]
/ ˈsɜrˌneɪm, ˈsɜrˌneɪm, sɜrˈneɪm /
noun
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Also called last name. the name that a person has in common with other family members, as distinguished from a first name or given name; family name.
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a name added to a person's name, as one indicating a circumstance of birth or some characteristic or achievement; epithet.
verb (used with object)
surnamed,
surnaming