(French) form of Julia. This was imported to the English-speaking world in the 1920s, and soon became a great favourite. Its popularity was increased in the 1960s by the fame of the British actresses Julie Harris (b. 1925), Julie Andrews (b. 1935 as Julia Wells), Julie Christie (b. 1940), and, more recently, of Julie Waters (b. 1950).
Scottish and northern Irish: reduced Anglicized form of Gaelic Mac Gille Fhaoláin (Scottish) or Mac Giolla Fhaoláin (Irish) ‘son of the servant of St Faolán’. Compare McClellan. Woulfe thinks that the Irish version died out and all modern forms were taken to Ulster from Scotland.