Stirling named the town in honour of Prince Augustus Frederick, Duke of Sussex, the sixth son of George III, due to its location within Sussex County, one of the 26 counties of Western Australia that were designated in 1829 as cadastral divisions.
In 1836 the German explorer and naturalist Alexander von Humboldt wrote to Prince Augustus Frederick, Duke of Sussex, then President of the Royal Society, stating that a formal program was important to a nation with dominions spread across the globe.
Sussex | Prince of Wales | Charles, Prince of Wales | Duke University | Prince | Duke Ellington | Duke | Augustus | Duke of Wellington | Prince Charles | Prince (musician) | East Sussex | Frederick the Great | Prince William, Duke of Cambridge | West Sussex | University of Sussex | Prince Albert | Prince Edward Island | Prince Edward, Earl of Wessex | Frederick | Duke of York | Port-au-Prince | Prince Caspian | Frederick II | Frederick II, Holy Roman Emperor | Albert, Prince Consort | Frederick Russell Burnham | Frederick Roberts, 1st Earl Roberts | Duke of Norfolk | Frederick Law Olmsted |
Ducrow is buried on the Main (or Centre) Avenue at Kensal Green Cemetery in London, England near the tomb of the Duke of Sussex, one of the most desirable burial plots of the time.