Meaning and name origin
Sinjin \s(i)-njin, sin-jin\ as a boy's name is pronounced SIN-jin. It is of Hebrew origin, and the meaning of Sinjin is "God is gracious". A phonetic spelling of the English pronunciation of Saint John.
Sinjin is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Sinjin and related names. The only popular variation form ranked in the Top 1000/100 is John (#26). (2014 statistics).