Last name Francisco Sr (Francisco Sr 
) , around the world, is an extremely rare family name. The surname Francisco Sr is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Predominantly, Francisco Sr is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Francisco Sr | Philippines, United States |
Bais, Nailon, Nabong, Enciso, Vargas, Flores, Fullon, Omolon, Ofamin, Ubanan, Montero, Mendoza, Milante, Silagan, Soliven, Abarcar, Deniega, Dumaran, Martinez, Casimiro, Cochangco, Gonzales, Javier, Lucero, Labnao, Geoman, Baco, Bajo, Biri, Leal, Luna, Juan, Igot, Casas, Batar, Baita, Valentin, Perez, Tapan, Ouano, Andres, Ariola, Aguila, Atillo, Cabico, Cortel, Rances, Delfin, Dayao, and Malatbalat