莫(Mak, 막) is a disappeared surname in Korea.

It sounds 'MO' and 'MAK' in Korean. But It's not so strange to Korean. Anyway there's no your family. sorry :)

In korea, there are two kind of family name about Mo(모). one of Mo is use this chinese letter = 모(牟) ,and another one is 모(毛) 모 => ㅁ + ㅗ [ a + h] = eng keyboard