Juan Gutierrez (son of First Name Unknown Alvarado and Maria De La Mercedes Gutierrez y Rodriquez) was born Abt. 1897 in Aibonito, Aibonito County, Puerto Rico, and died Abt. 1997. More About Juan Gutierrez: 1910 Census: 06 May 1910, Aibonito, PR; Barrio Plata; District 731; Hoya 22-B; Page 44..