Family name Birco (Birco 
) , in the world, is a rare cognomen. The cognomen Birco is characteristic of Philippines, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States.
May, Dennis, Gloria, Juluis, Harold, Maricar, Alfredo, Charlyn, Kayleen, Pedrito, Phillip, Jenifer, Juanita, Toni Kyle, Esteban, Ernesto, Wilfred, Zenaida, Maie Jane, Milagros, Salvador, Leonarda, Ronald, Raquel, Krizel, Marlon, Sam, Jay, Kris, Liza, Nick, Emma, Zeus, Marie, Mondi, Sally, Tomasito, Celia, Kevin, Gemma, Loida, Julie, Jinky, Norma, Ernie, Holly, Homer, Marian, Karen, and Ningning