Background
Howarth was born to parents Walter Arthur Howarth, a bootmaker, and Elizabeth Ellen Peetwn at Campbelltown.
Howarth was born to parents Walter Arthur Howarth, a bootmaker, and Elizabeth Ellen Peetwn at Campbelltown.
He was deputy leader of the New South Wales Liberal Party from 1946 to 1954. He was a building contractor and a carpenter by trade. Howarth was re-elected to the seat of Maitland at the 1935, 1938, 1941, 1944, 1947, 1950 and 1953.
Howarth died on 12 July 1958.
Howarth first entered politics in 1926 as a Councillor of Bolwarra Shire until 1932, during which he was Shire President for one term. He contested the New South Wales Lower House seat of Maitland for the United Australia Party and won election on 11 June 1932.
Whilst a member of Parliament Howarth was party Whip from 1941 until 1946 and was Deputy Leader of the New South Wales Division of the Liberal Party from 1946 until 1954 under Leader Sir Vernon Treatt.