Meaning and name origin
Lexy \lex-xy\ as a girl's name is of Greek origin, and the meaning of Lexy is "man's defender". Lexy is a variant of Alexandra (Greek): Latinate feminine form of Alexander. Also a variant of Alexis (Greek): originally a boy's name, but now more commonly given to girls.
Lexy is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Lexy and its variant forms. Popular variation forms ranked in the Top 1000/100 are Alexis (#64), Alexandra (#92), Lexi (#242) and Lexie (#563). (Source: 2014 Birth Name Statistics).