The name Trinh is of Vietnamese origin, derived from the Sino-Vietnamese word 'Trinh', which means 'pure' or 'clean'. It is often given to individuals as a family name but can also be used as a given name. In Vietnam, Trinh is one of the most common surnames, with a significant presence in Vietnamese history and culture.
The name Trinh had a noticeable peak in popularity during the early to mid-1980s, with a significant increase from 8 births in 1976 and 1978 to a high of 27 births in 1982. However, it experienced a steady decline thereafter, dropping back down to single-digit figures by the late 1990s. The total number of births registered with the name Trinh over this period is 443.