According to the map found at http://www.bostonfirehistory.org/newspaperfiretrumbullstreet10021964.pdf
Trumbull street ran between Ivanhoe St. and Newland St. Ivanhoe ran parallel to Tremont St. on the other side of the Church of the Lord Jesus Christ.
Ivanhoe ran between West Brookline and West Canton. Trumbull was parallel to those two streets and ended at Newland St. to the south.