Here are some statistics concerning the surname Duggan and a list of some of the the most common names in South Africa that contain it.
Frequency: 0.0025%
Approximate number of South Africans that have this surname: 1300 MD5 Code: 320fc340cc348b65f38863b5f9a91696 SHA1 Code: 2c9f0d0a9e55f9336ac4f34cf845ad36f7995ffc