Aldam studied law at the Middle Temple beginning in 1834 and was called to the bar in 1839 but never practised as a barrister. He became a Justice of the Peace in the West Riding of Yorkshire court of quarter sessions in 1842 and High Sheriff of Yorkshire in 1878.
His father, also called William Aldam (died 1828), was a cloth merchant in Leeds. The family name was originally Pease, but his father changed it when he inherited the estate of the Aldam family at Frickley, near Doncaster).
On 13 November 1845 he married Mary Stables, daughter of Rev. Godfrey Wright, of Bilham; she died 4 October 1867.
His son and heir William Wright Aldam (1853–1925) married Sarah Julia Warde in 1878 and took the surname of Warde-Aldam; he was High Sheriff of Yorkshire in 1905. His nephew William Aldam Milner (via his sister Susan) was High Sheriff of Derbyshire in 1911.
- Foster, Joseph (1885). "Aldam, William". Men-at-the-Bar (second ed.). London: Hazell, Watson, and Viney. p. 5.
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "L" (part 1)[self-published source][better source needed]
- "West Riding Quarter Sessions". The National Archives (UK). QE11/52. Retrieved 2011-03-13.
- "Aldam of Wickersley". wickersleyweb. Retrieved 2011-03-13.
- "William Aldam". Clyde Built Ships. Caledonian Maritime Research Trust. Retrieved 12 May 2015.
- Burke, John, 1871, Burke's genealogical and heraldic history of the landed gentry, Volume 1, page 8.
- A history of Northumberland. issued under the direction of the Northumberland county history committee. Newcastle-upon-Tyne: Andrew Reid & co. 1893. p. 175.
- "Papers of William Aldam of Frickley". The National Archives (UK). Retrieved 2011-03-13.
- Hansard 1803–2005: contributions in Parliament by William Aldam
|Parliament of the United Kingdom|
Sir William Molesworth
|Member of Parliament for Leeds
1841 – 1847
With: William Beckett to 1852
James Garth Marshall
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