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'.[1] There are many variations to the name, including Maddocks, Maddox, Maddick, Mattock, Mattack, Maddog, Madog, and Madoc.
Notable people with the surname include:
- Alfred Maddock (1917-2009), English inorganic chemist, radiochemist and spectroscopist
- Bea Maddock (1934-2016), Australian artist
- Chris Maddock (born 1977-78), American stand-up comedian
- Diana Maddock, Baroness Maddock (1945-2020), British politician
- Harold Russell Maddock (1918 - 2014), Australian race jockey
- Hopkin Maddock (1881–1921), Welsh international rugby union player
- Ieuan Maddock (1917-1988), Welsh nuclear researcher
- Joe Maddock (disambiguation), multiple people
- Kenneth Maddock (1937-2003), Australian anthropologist
- Shirley Maddock (1928-2001), New Zealand television producer
- Thomas Herbert Maddock (1792-1870), English MP
- Walter Maddock (1880-1951), briefly governor of North Dakota in the 1920s