Orr (surname)
Orr is a surname common throughout the English-speaking world, but especially in Scotland, Ulster, the United States, Canada, and northern England. The name is considered to have numerous origins: such as being derived from an Old Norse byname; a Gaelic nickname; and an Old English topographical name, or similar place-name.
Read more about Orr (surname): Etymology, Noteworthy People Named Orr