Spencer, Pearline Las Vegas Review-Journal - Aug 26, 1999   Pearline Spencer, 86, died Aug. 17. She was born March 29, 1913, in Ore City, Texas. A homemaker, she was a 21-year resident of Las Vegas.  She is survived by her sons, Douglas McCain of Las Vegas and Alfred McCain of Tyler, Texas; brothers, Herbert A lexander of Stockton, Calif., and Richard Alexander of Ore City; one grandchild; and one great-grandchild.  Visitation will be from 4 to 7 p.m. Friday in Bunkers Eden Vale Mortuary with services at 11 a.m. Saturday in Zion Methodist Church. Burial will follow in Bunkers Eden Vale Memorial Park.