Chamberlyn is an uncommon given name of American origin, derived from the surname Chandler, which has its roots in Middle English. The name means "lamp maker" or "candle maker," referring to someone who makes and sells candles or lamps. In the United States, Chamberlyn is most frequently encountered in the South, with Louisiana having the highest concentration of individuals bearing this unique name. It is believed that the name gained popularity in the region due to its historical association with French-Canadian settlers.
The name Chamberlain saw a dip in popularity between 2001 and 2018, with only half as many births in the latter year despite an 8-year gap.