The name Caitlain, derived from the Gaelic 'Catherine', is of Scottish origin and means 'pure'. It has a rich history dating back to the Middle Ages when it was popular among the nobility. In its earliest form, it was spelled as 'Caitlin', but over time, variations such as Caitlan, Caithlean, and eventually Caitlain emerged. This name is unique yet approachable, offering a blend of classic charm and modern appeal.
"Caitlain saw its peak popularity in the late 1980s to early 1990s, with 10 births recorded in 1990. Despite some fluctuation in usage, it has maintained a steady presence since then."