[3] His father was Major General William Dickson who married Harriet Dallas in 1816.
[4] Dickson made several unsuccessful attempts to be elected for parliament—at County Limerick in 1850, Reading in 1852, and Kingston upon Hull in 1854—before he won at County Limerick at the 1859 general election where he beat Edward John Synan.
[2] In 1855 the Chief Herald of Ireland granted him a confirmation of arms through his grandfather.
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