Francisco Othaz Aguerre
- Born: 12 Jun 1853, Capital Federal, Arg (San Miguel)
- Christened: 13 Jun 1853, Cap. Fed., Arg.
- Marriage: Maria Cristina Bildosteguy Aguirre on 7 Sep 1872 in Navarro, Bs As, Arg 3
- Died: 27 Nov 1930, La Plata, Bs As, Arg at age 77
Francisco married Maria Cristina Bildosteguy Aguirre, daughter of Domingo Bildosteguy and Maria Aguirre, on 7 Sep 1872 in Navarro, Bs As, Arg.3 (Maria Cristina Bildosteguy Aguirre was born on 27 Jan 1853 in Capital Federal, Arg, christened on 6 Feb 1853 in Nuestra Seņora de Montserrat, Ciudad de Buenos Aires, Capital Federal, Argentina and died on 29 May 1905 in La Plata, Bs As, Arg.)