Here are some statistics concerning the surname Orrock and a list of some of the the most common names in South Africa that contain it.
Frequency: 0.0004%
Approximate number of South Africans that have this surname: 208 MD5 Code: b31e2e2459e2560482a3e5e6c4f546aa SHA1 Code: 9049fd091834c94b6315f815bcb2704857384f6b