Amos was born November 5, 1944, to Edgar Newman and Madie Lee Gary in Monticello, MS where he was affectionately known as "MacArthur". He attended McCullough High School and joined Pearl River Valley Baptist church at an early age. He then moved Jackson MS and married his first wife Alberta Johnson. After their divorce he moved to Gulfport, MS and later married Diane Williams until their divorce in 1992. He was a proud driver for BFI and later drove the school bus for Harrison County School district until he retired. Later in life, he accepted the Lord Jesus in his life and joined First United Gospel Assembly where he remained a member until his passing.

Amos was a one-of-a-kind and unique individual to say it mildly. "JUSTHOT" (IYKYK), Famous Amos, Mr. Mack, Uncle Mack, Paw Paw, Pops are some of the endearing names that described him. He was loved, He was Hilarious (he loved to joke around), mischievous (He could not whisper when he decided to talk about people), kind, and loved loved loved his children and grandchildren. His biggest desire was to ensure that we would be there for one another.

Amos leaves behind a legacy of love, kindness, and strength. To cherish his memories are his children: Terrance (Corrine) Newman, Adrian Newman, Portia (Stephen Jr.) Merritt, Taminko (Terrence) Kelley, Linous (Kendra) White, Monique Moore, Patrick Bryant, and Eric Kelley.
Amos was preceded in death by his beloved son, Amos Newman Jr., his brother Huey Paul Gary Sr., and Eunice Gary.
He also leaves behind his beloved sister, Janis Anderson, and a host of grandchildren, great-grandchildren, and great-great-grandchildren, all of whom will carry his legacy forward through their lives and stories.