married name a surname piece that in some cultures a female acquires upon marriage from her husband being (one of) his surname piece(s); hence women may acquire a new m. n. by remarriage; in Iberia, South and Central America the m. n. is the first (Spanish) or second (Portuguese) surname complex being attached with the “nobiliary” particle de; in America some women attach their m. n. to their maiden name to form a compound surname, e.g., “Jackie Joyner-Kersee”