Oliveira, Maria Conceicao (Pacheco) of Billerica, April 30th, 2015 at age 95, formerly of Cambridge. Devoted wife of Diniz M. Oliveira. Loving mother of Dinis Oliveira, Leontina O. Pacheco and her husband Albert Pacheco, Valentina Oliveira and her husband Thomas Barbuto, Joseph “Octavio” Oliveira and his wife Lisa Oliveira, and the late Elveda Rosa Vieira. Also survived by 13 grandchildren, 24 great-grandchildren, nieces, nephews, other loving relatives and friends. Funeral from the Rogers Funeral Home, 380 Cambridge St., Cambridge on Tuesday, May 5th, 2015 at 8 am. Funeral mass at St. Anthony’s Church in Cambridge at 9 am. Visiting hours Monday 4 to 8 pm.