"Variant of Callaway"
The name Calloway is commonly a unisex name from the "English" origin.
Calloway is a spelling variant of the surname Callaway, which is recorded as an English family name. In the United States it is used as a given name rather than a surname, and it first appears in US birth records in 1912.
Callaway means "Variant of Calloway".
The pronunciation of Calloway is KAL-uh-way.