I have located Oulsnams in my family tree back in the 17th and 18th Century with many residing in the Ipstones / Leek area of North Staffordshire, England.
It is a German surname,,,
Castaneda is a Spanish surname.
it was pure english surname
Stefanidis is a Greek surname.
D'iorio is an Italian surname.
From a surname website: The surname Hayward is of English origin.
The surname Reavey is an Irish name.
The surname Nottage originated from England.
The surname Zamora is of Hispanic origin.
The surname of Hinch can be found to be from Ireland.
The surname Chavarria comes from Spain.
The Philippines, I believe. It is my surname as well.