He was Judge of the Court of First Instance during the American occupation and the former Vice Governor of the province of Cebu (1899–1900).
[2] When Regis died,[1] Singson remarried and his second wife, Eleuteria Tuico, bore children namely Paz, Genoveva, Rosario, and Concepcion.
[1] He was appointed fiscal together with Miguel Logarta when the Royal Audiencia was inaugurated in Cebu on July 1, 1887.
[5] On January 24, 1899, Aguinaldo approved the provincial council of Cebu in the newly established Philippine Republic and Singson was appointed councilor of justice.
[4] He was the acting Governor when Julio Llorente, the governor of the province of Cebu appointed by the Americans, was called by General Elwell Stephen Otis in Manila and served as a magistrate in the Supreme Court.