O’Brien, Tighe Chihaya, 4 months old, of Roslindale, August 10, 2015. Beloved Son of William “Tony” and Reiko (Chihaya) O’Brien. Funeral Mass of the Angels will be celebrated at The Basilica of Our Lady of Perpetual Help “Mission Church” 1545 Tremont St., Mission Hill, Wednesday, Aug 12th at 8 pm. Visiting hour will be held at Mission Church from 7-8 pm prior to Funeral Mass. Relatives and friends invited. Interment private.