Kuperus and Cuperus are Latinized versions of the common Dutch surname Kuiper (and spelling variations) meaning cooper. This process was most common in the province of Friesland.[1] One family changed the spelling from Cuperus to Couperus in the 19th century.[2]
- ^ Cuperus and Kuperus at the Database of Surnames in The Netherlands
- ^ Couperus at the Database of Surnames in The Netherlands