William "Billy" Andrew Rivera passed away on June 30th, 2015 in Phoenix, Arizona. He was born on October 4th, 1980 to Peggy Sue Thornburg and Ricardo F. Rivera in Yuma, Arizona. Billy was 34 years old and is survived by both parents, wife Melina M. Rivera, son, William Andrew Rivera II, daughters, Andrea Sydney Rivera, Alexandria Marie Rivera, Brothers, Ricardo F. Rivera II (R.I.P), Matthew Tomas Rivera and Louis Clifford Rivera and by sisters, Heather Kathleen Gonzalez, Belinda C. Rivera-Young, Siabhon Michelle Bryant, Adriana Priscilla St. John and Dawnna Marie Thornburg. Visitation is scheduled for Wednesday July 8th, 2015 from 5:00 pm to 9:00 pm., at Desert Valley Mortuary Chapel. Funeral Mass will be on Thursday July 9th, 2015 at 9:00 am at St. Joseph Catholic Church in Wellton, Arizona with Father Bartolome Vasquez officiating. Burial following Mass at Wellton Cemetery.Please sign the guestbook at www.legacy.com/obituaries/yumasun.