He was son of Stanley Leighton, who was himself a Member of Parliament and from whom he inherited the Sweeney Hall estate in 1901, and his wife Jessie Williams-Wynn. He was educated at Eton College and the Royal Military College, Sandhurst.
Leighton was commissioned in 1895 as an officer in the 1st (Royal) Dragoons, being promoted Captain in 1901 and Major in 1914. He served with them through the Boer War of 1899-1902, taking part in operations in Natal, Transvaal and the Orange River Colony, and in the First World War in Europe when he was severely wounded. He was also attached to the Shropshire Yeomanry when he served as its adjutant from 1908 to 1911.
Leighton became a Justice of the Peace for Shropshire in 1908 and Deputy Lieutenant of the same country in 1916.
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "O" (part 1)
- Who's Who, 1945. A and C Black. p. 1610.
- Mate, Charles H. (1907). Shropshire, Historical, Descriptive, Biographical; Volume II. p. 46.
- Kelly's Handbook, 1951. Kelly's. p. 1265.
- Hansard 1803–2005: contributions in Parliament by Bertie Leighton
- Major Bertie Leighton at TheyWorkForYou
|Parliament of the United Kingdom|
|Member of Parliament for Oswestry
1929 – 1945
| Succeeded by|