Domitila T. Guevara Masumoto, 33, of Chino, passed away March 16, 2012 at home. She was born February 27, 1979 in Corona, California and was a Chino resident for 7 years. Tila lived in Ontario for 26 years prior to moving to Chino. She was a ramp operator for UPS for 14 years. Tila is survived by her husband Marc M. Masumoto; son Mateo M. Masumoto; parents Teresa and Sergio Guevara; sisters Elizabeth M. Guevara and Berta Correa; brother-in-law Miguel Correa; and nephews Miguel, Justyn and Jacob Correa. A memorial service will be 2 p.m., Sunday, April 1, 2012 at Pierce Bros Griffith Mortuary in Chino. A funeral mass will be celebrated 10 a.m., Monday, April 2, 2012 at St. Elizabeth Ann Seton Catholic Church in Ontario. Inurnment will follow at Holy Cross Cemetery in Pomona. In memory of Tila Guevara Masumoto, contributions may be made to the Mateo Masumoto Education Fund 519 N. Humboldt Pl. Ontario, Ca 91764. Funeraria del Angel Pierce Bros Griffith, Chino, in charge of arrangements. www.funerariadelangelchino.com