Maddock is a Welsh surname. Maddock is the anglicised spelling of 'Madog', which originates from the ancient Welsh male given name 'Matoc', a diminutive of 'mad' meaning 'fortunate' or 'good'. There are many variations to the name; Maddox, Maddick, Mattock, Mattack, Maddog, Madog, Madoc.
Notable people with the surname include:
References
Maddock (surname) Wikipedia(Text) CC BY-SA