Here are some statistics concerning the surname Siwisa and a list of some of the the most common names in South Africa that contain it.
Frequency: 0.003%
Approximate number of South Africans that have this surname: 1560 MD5 Code: 27c412866ac2eb339e4c45790a0a4c04 SHA1 Code: d2206b59a1d80a877b0ccd75131bcd586e51ec56