O Family History
O Name Meaning
Korean: written 오 in Chinese characters 吳. Historically there were two Chinese characters for the O surname but by the late Koryŏ period (14th century
Source: Dictionary of American Family Names 2nd edition, 2022
View Census Data for O | Data not to scale
Between 1977 and 2004, in the United States, O life expectancy was at its lowest point in 1985, and highest in 2004. The average life expectancy for O in 1977 was 38, and 88 in 2004.