Meaning and history
Ally is an English diminutive of Alison, Alexandra, Alice and other names beginning with Al-, and it is occasionally used for men through Alistair or Alexander. Its meaning therefore depends on the longer source name. Notable bearers include football manager Ally McCoist and singer Ally Brooke.
Ally moved from #872 to #984 for girls between 2015 and 2016. Its highest annual birth count came in 1998, with 636 births.