Holly

As an Irish surname, calque of mac cuilinn (“holly”) (see McCullen) and sometimes McQuillan.

As an English surname, variant of Holley.

As a Czech and Slovak surname, variant of Holý, Holy.

Also as a locational English surname, from Old English hol leah (“wood, clearing, meadow”), compare Hollywood.

Also as an English surname, short form of Holiday.

Also as an English surname, after the holly tree.

As a feminine given name popularized by Truman Capote's Breakfast at Tiffany's (especially the 1961 film adaptation starring Audrey Hepburn).