Ngọ was born in 1870. Ngọ's father was H Thận and his mother was Mão Nguyễn. His paternal grandparents were H Tri and Từ Minh. He had two brothers and two sisters, named Giáp, Châu, Trinh and Định. He died due to giỗ 25/6 âm lịch. He was buried in Mả Vặng.