Abbott was born in
North Sydney, New South Wales, son of
Joseph Palmer Abbott and his second wife Edith (), and educated at
The Armidale School and the
University of Sydney, where he graduated with a Bachelor of Arts in 1913. He enlisted in the
Australian Imperial Force in February 1915 and served at
Gallipoli. He was invalidated to England in October 1915 where he was discharged from the AIF so that he could join the
Royal Field Artillery of the
British Army as an officer in December 1915. In September 1918, during the
Hundred Days Offensive, he was awarded the
Military Cross while serving on the
Western Front for putting out a fire. The citation for the medal, which appeared in
The London Gazette in September 1918, reads as follows: After the war, he became a farmer near
Wingen and in 1924, he married Katherine Bliss Wilkinson. He was president of the
Graziers' Association of New South Wales 1935–1939 and was president of the
Graziers' Federal Council of Australia in 1937 and 1938. ==Political career==