Sparrow

Sparrow is the name of a bird. The name comes from Old English spearwa derived from PIE *spḗr (sparrow). It’s also an English surname which originated as a nickname for someone who resembled a sparrow either in looks or personality. Origin: Proto-Indo-European  

Galvin

Galvin comes from a surname, the anglicized form of Gaelic Ó Gealbháin meaning “descendant of Gealbhán”, the latter a personal name meaning “bright white” from geal (bright) and ban (white) which may have originated for someone with blond hair or who had white or gray hair as they grew older; gealbhan is also the Irish word for “sparrow”. Origin: Gaelic