it was pure english surname
Dharshana Gamage was born in 1979.
Chamila Gamage was born in 1979.
Janak Gamage was born in 1964.
It is a German surname,,,
Piyasena Gamage was born on 1949-01-10.
Harry Gamage was born on 1900-02-03.
Stefanidis is a Greek surname.
D'iorio is an Italian surname.
Castaneda is a Spanish surname.
From a surname website: The surname Hayward is of English origin.
The Amstutz surname originated in Germany.
The surname Zamora is of Hispanic origin.