His father was György Suba, a priest; his mother was Paulina Gebé. His wife was Anna Demjanovics (1877–1961), the daughter of Sándor Demjanovics, a priest, and Mária Legeza. Their children were: Anna (*1896); Irén (*1898), wife of Sándor Papp, a priest (1890–1969); Andor (*1899); Ernő Viktor, a priest (1905–1979); György, a priest (1911–1996).
He completed his theological studies in Uzhhorod. On April 6, 1895, he was ordained a priest by Bishop Gyula Firczák of Munkács. He served in the United States from 1908 to 1922. He retired in 1941. When the Greek Catholic Church in Transcarpathia was dissolved, he refused to renounce his faith. He died in Uzhhorod.