Gerie is of Scottish origin, derived from the personal name Gregory, which means 'vigilant' or 'watchful'. It was introduced into Scotland by way of France, where it evolved as a Norman name. Gerie is also associated with the Irish Gaelic name Gearóid, meaning 'alert'. In some cases, Gerie may be a shortened form of Geraldine, a feminine name derived from the Germanic elements 'spear' and 'ruler'. The name Gerie has been used in various forms throughout history but remains relatively uncommon today.
The name Gerie experienced a brief spike in popularity during the 1960s with seven births recorded in 1960, but it was otherwise quite uncommon throughout the given years, with only five births each in 1956 and 1963, and another five in 1976. In total, there were twenty-two babies named Gerie between 1956 and 1976.