Korean: there is only one Chinese character for the Mok surname which was much more common in the past than it is today. Many members of the Sach’ŏn Mok clan held prominent government positions in the Koryŏ period (AD 918–1392) and the subsequent Chosŏn period. The clan's founding ancestor Mok Hyo-gi was a Koryŏ general. Chinese: Cantonese form of the surname 莫 see Mo Chinese: Cantonese form of the surnames 穆 沐 牧 and 木. Also Teochew or Hokkien form of the surnames 穆 沐 and 牧. See Mu 1 and 4-6. Dutch: nickname from Middle Dutch mocke ‘dirty or wanton woman’ or from West Flemish mokke ‘fat child’. Hungarian (Mók): from the personal name Mók probably a pet form of Mózes Hungarian form of Moses . Compare Mock .
Source: Dictionary of American Family Names ©2013, Oxford University Press