Elmer J. (Hackie) Hackenson of 706 Speer St.;Belle Vernon;died suddenly on Sunday;Sept.9;1984;at 6:30 p.m. in the Mon Valley Hospital. He was 64. Mr.Hackenson was born March 20;1920;in Scotthaven;a son of the late Harry and Elvina Whiteman Hackenson Sr. He attended the First Baptist Church of Belle Vernon. A member of Belle Vernon American Legion Post 659;Mr Hackenson spent most of his life in the Belle Vernon area. He graduated from Belle Vernon High School in 1938. Mr.Hackenson was a veteran of World War II;having served with the U.S.Coast Guard. After leaving the service;he was employed as an engineer for Dravo Corporation;working on the Mississippi River. In 1952 Mr.Hackanson returned to Belle Vernon when he and his wife became owners and operators of the Irwin Flower Shop in Belle Vernon until retiring Aug.1;1984. In addition to his parents he was prededed in death by two sisters;Bertha and Sylvia. Survivors include his wife;Lida Irwin Hackenson;his son and daughter-in-law;Larry L.and Barbara Hackenson of Whitehall;a brother;Jack Hackenson of Marietta;ohio;three sisters;Mrs. Henry (Thelma) Schmidt and Violet Hackenson;both of Belle Vernon;and Mary Momyer of Bowling Green;Ohio;and several nieces and nephews. Friends will be received Tuesday from 2 to 4 and 7 to 9 p.m.in the Shelby D.Ferguson Funeral Home Inc.;700 broad Ave.;Belle Vernon;where services will be held on Wednesday;Sept.12 at 1 p.m. with the Rev.Donald Schnarr;pastor of the First Baptist Church of Belle Vernon;officiating. Burial wll be in Belle Vernon Cemetery. Shelby D.Ferguson;funeral director;is in charge of arrangements.