Born the first son of George A. McCullum and Lola Raymond McCullum on August 11, 1930, he was educated in New Orleans: elementary McDonogh 37 elementary, Albert Wicker elementary and Junior high, Booker T. Washington High, and Xavier University Preparatory HS.

He joined the US Army in 1948 at the age of 17, directly from high school. After graduation he enlisted in the Army. He served actively for 20 months and got out 2 or 3 months before the Korean War began. He served in the Army Reserve until he retired in 1983 as a Sergeant Major E-9. In 1952, he began his employment in the United States Postal service from 1952-1988. 1971 he was promoted to Supervisory status and continued his employment for 36 years.

Influenced by music, George would have been a third-generation musician. George McCullum's, Grandfather (a cornetist in the Barnum and Bailey Circus band) was a cotton sampler at the New Orleans Cotton Exchange who performed with local Jazz bands as well as his own.
Upon his grandfather's passing his father (George, Jr.) continued his legacy and later passed from tuberculosis, in 1938 at the age of 32. He left 3 children, (Doris) 10, (George, Jr.) 7, and (Herbert) 5.

George met Rayceille in New Orleans. Peter B. Farve (Rayceille's father), came to New Orleans for an operation where dad met Rayceille when he was 10 and she was 6. They met again in the fifties when Rayceille commuted daily from Bay St. Louis to attend Straight Business College.
In 1953, George became a member of the Autocrat Social and Pleasure Club, where he was a member for over 30 years. In the same year, he also became a Knight of Peter Claver (Council 50/John Dorsey) at St. Peter Claver church in New Orleans and then moved to Council 125 (John Daley), St. David church. George has been a Knight of Peter Claver since 1953.
In 1955, George married Rayceille and had 3 children. George(Sandra) McCullum, Lori McCullum-Jackson, Gary(Meredith) McCullum. George is survived by his children, seven grandchildren, 4 great-grandchildren, a Sister-in-Law Alva R. McCullum, a host of cousins, nieces, nephews, friends and co-workers.
Preceded in death by his wife Rayceille Farve McCullum, his mother and father: George and Lola McCullum, a sister: Doris McCullum Mitchell, a brother Herbert Joseph McCullum, and two great-grandchildren: Caden and Cylie McCullum.
A gentle, honest and loving, George Alfred McCullum, Jr. was considered a sweet man by all who knew him.