Mount Rockingham
Feature Type:Mount - Variation of Mountain: Mass of land prominently elevated above the surrounding terrain, bounded by steep slopes and rising to a summit and/or peaks. ["Mount" preceding the name usually indicates that the feature is named after a person.]
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: S of Yellowhead Lake, just W of Yellowhead Pass in Mount Robson Provincial Park, Cariboo Land District
Latitude-Longitude: 52°46'37"N, 118°31'38"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 83D/15
Origin Notes and History:

Mount Rockingham adopted in the 16th Report of the Geographic Board of Canada, 31 March 1919, as labelled on BC-Alberta boundary sheet 29, 1917. Mis-identified as Rockingham Mountain in the 18th Report, 31 March 1924. Form of name confirmed as Mount Rockingham 2 August 1956 on Jasper Park (north) sheet.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

A family name of William Wentworth Fitzwilliam, Viscount Milton (1839-77), who with Dr. Cheadle, travelled through Yellowhead Pass in 1863 on their journey to the Pacific Ocean. See also Mount Milton.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

"The third Earl Fitzwilliam married Lady Anne Watson-Wentworth, eldest daughter of Charles Watson-Wentworth, second Marquess of Rockingham, Earl of Malton, etc, who was Prime Minister, 1765-66 and in 1782." ("Place Names in Vicinity of Yellowhead Pass" by James White, Canadian Alpine Journal, vol VI, 1914-15, pp.143-158)

Source: included with note