Chaplin is of French origin and means 'cleric' or 'priest'. It was originally an occupational surname given to someone who held a position of trust within the church. The name can also be found in Britain, where it is often spelled ' Chaplin', with the space indicating that it is a family name rather than an occupational one.
"The name Chaplin saw a steady rise and fall in popularity over the years, with peaks in 2012 and 2015, and recurring popularity in recent times."