Nicholson wuxuu ku dhashay Abriil 22, 1937, magaalada Neptune, New Jersey, oo uu dhalay gabadh show ah, June Frances Nicholson (magaca masraxa June Nilson). Nicholson hooyadiis waxay ahayd Irish, Ingiriis, iyo Jarmal. Waxay guursatay showman Talyaani-Mareykan ah Donald Furcillo (magaca masraxa Donald Rose) sanadkii 1936, ka hor inta aysan ogaanin inuu horey u guursaday. Qoraaga taariikh nololeedka Patrick McGilligan wuxuu ku sheegay buugiisa Jack's Life in Eddie King oo u dhashay Latvia (asal ahaan Edgar A. Kirschfeld), maamulaha June, laga yaabo inuu ahaa aabaha dhabta ah ee Nicholson, halkii uu ka ahaan lahaa Furcillo. Ilo kale ayaa soo jeediyay in June Nicholson aysan hubin cidda aabaha u ahayd. Maadaama June ay ahayd toddoba iyo toban sano oo keliya oo aysan guursaneyn, waalidkeedu waxay ku heshiiyeen inay u koraan Nicholson sidii ilmahooda oo aan u muujin waalidnimadiisa dhabta ah. Hooyadiis waxay dhigtay dugsiga sare ee Irish,
gabadha cayaaraha ciyaarta