Meaning and name origin
Gill \gi-ll\ as a girl's name (also used as boy's name Gill), is of Old German and Latin origin, and the meaning of Gill is "bright promise; youthful". Gill is a variant of Gilberte (Old German): feminine of Gilbert; French variant of a Norman name. Also a variant of Gillian (Latin): anglicization of Juliana.
Gill is not a popular first name for females but a very popular surname or last name for all people (#424 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Gill and its source forms. The only popular variation form ranked in the Top 1000/100 is Gillian. (2014 statistics).
Gill is also pronounced similarly to Gael, Gahl, Gail▼, Gaile, Gal, Gale▼ and Gayll. Other suggested similar baby names are Gaila, Gaill, Gala, Galla, Geila, Gila, Gilah, Gilia, Gillie, Gilly, Giula and Jill▼. These names tend to be more commonly used than Gill.