Gadie was self-made man. Born in a small cottage in Skipton, he became a builder and then an estate agent, a Lord Mayor of Bradford and a local councillor and alderman for 45 years. He served as an army officer in France during World War I and as a Member of Parliament (MP) in the 1920s, but is best known for his involvement with construction of the Scar House Reservoir.
Gadie was a member of Bradford City Council from 1900 to 1945. and was the Lord Mayor of Bradford from 1920 to 1921. He also served as chair of the corporation's Water Committee, playing a big part in establishing the Scar House Reservoir, which was finally completed in 1936. Scar House was the second of two reservoirs built at great cost by Bradford Council in Upper Nidderdale to supply the city's needs. As Lord Mayor, Gadie cut the sod for the reservoir on 5 October 1931 and, 15 years later, he placed the last stone in position at the topping-out ceremony on 7 September 1936. The reservoir was dismissed by some as a waste of money, and known as "Gadie's Folly". However, during the droughts of 1933 and 1934, Bradford had all the water it needed.
Gadie was Chairman of the Bradford Conservative and Unionist Association from 1924 to 1947, and at the 1924 general election he was elected to the House of Commons as the Member of Parliament (MP) for Bradford Central, winning the seat from the sitting Labour Party MP William Leach on a swing of 3.4%. However, Leach re-gained the seat at the 1929 general election, and after his defeat Gadie did not stand for Parliament again.
It was announced in King's Birthday Honours in 1935 that he was to be knighted "for political and public services in Bradford". The title was conferred in a ceremony at Buckingham Palace on 10 July 1935.
Gadie was a charter member and President of the Rotary Club in Bradford in 1924–25, and a freemason who rose to become Provincial Grand Master for the Masonic Province of the West Riding of Yorkshire. He was awarded the freedom of the city of Bradford in 1946.
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- Hansard 1803–2005: contributions in Parliament by Anthony Gadie
- Photo of Anthony Gadie's grave in Undercliffe Cemetery
|Parliament of the United Kingdom|
| Member of Parliament for Bradford Central
1924 – 1929