I'm not too sure on that - I don't know if this is of any help to you, but I know that Hoppë/Hopper is a German name and that Hopper is the one used in most other countries apart from Germany
Lincoln Hoppe's birth name is Lincoln Werner Hoppe.
Page Hoppe's birth name is Page Ann Palmer.
Art Hoppe was born in 1925.
Erik Hoppe died in 1968.
Erik Hoppe was born in 1896.
Andreas Hoppe is 193 cm.
Bettina Hoppe was born in 1974.
Edgar Hoppe is 184 cm.
Kelsey Hoppe is 5' 4".
Rolf Hoppe is 172 cm.
Art Hoppe died in 2000.
Otto Hoppe was born in Vienna, in Austria.