Mrs. Diana W. Oneill passed on May 10, 2026, at the age of 89. Born on January 9, 1937, in Taiwan, and a resident of San Jose, California, she will be honored with a Visitation at Oak Hill Funeral Home & Memorial Park, 300 Curtner Ave, San Jose, CA 95125, US, on May 20, 2026, from 9:00 am to 11:00 am, followed by a Funeral Service at the same location on May 20, 2026, from 11:00 am to 12:00 pm.