The unique moniker 'Gaylan' has an intriguing origin story that ties it to ancient Gaelic roots. Derived from the surname McGill, which is believed to have been derived from the Scottish-Gaelic word 'Mac Ghille Eathain', meaning 'son of the servant of Saint John'. The name Gaylan thus translates to 'servant of Saint John' or more simply, 'John's servant'. This historical etymology gives the name a certain timeless charm and cultural depth. It is a name that commands attention due to its rarity and distinctiveness.
The name Gaylan experienced its peak popularity between 1940 and 1952, with the highest number of births recorded in 1952 (31 births). After 1957, the name's usage significantly declined, with fewer than 15 births per year until it reached a low of 5 births per year in both 1975 and 1976. There was a brief resurgence in popularity in 1995 (8 births).