Background
Jackson was born at Oran Hall, near Catterick, North Yorkshire in 1860.
Jackson was born at Oran Hall, near Catterick, North Yorkshire in 1860.
He attended Shrewsbury School and then Jesus College, Cambridge.
In 1884 he went to Africa on a shooting trip, joining J.G, Haggard, the British consul at Lamu. On this trip he explored the coast of what is now Kenya, the Tana River and Mount Kilimanjaro. As well as shooting big game, he collected birds and butterflies.
Soon after the 1886 treaty was signed to delimit the German and British spheres of influence in East Africa he joined the Imperial British East Africa Company (IBEAC).
At Kavirondo he received a letter from King Mwanga of Uganda describing a state of great confusion there owing to rivalry between different Christian factions. He went north, exploring the country beyond Mount Elgon.
On his return to Kavirondo he found that the German Karl Peters had passed him and raised the German flag, which he pulled down. He went on to Uganda where he found the Baganda uncertain about whether to accept an IBEAC administration.
The decision was made for them by the Heligoland treaty of 1900 in which Britain was given Uganda.
The British government took over the administration of British East Africa from IBEAC in 1894, and Jackson became an official He was Lieutenant-Governor of the East African Protectorate (1907–1911) and Governor of Uganda (1911–1917). He was awarded the C.B. for services during the mutiny of Sudanese troops in Uganda in 1898.
Foreign his administrative work he was awarded the C.M.G (1902) and the Knight Commander of St. Michael and St. George (1913).
He retired in 1917.
Jackson joined the British Ornithologists" Union in 1888. That year a paper by Jackson and Captain Shelley was published describing birds collected during his 1884–1886 trip to Africa.
He collected many specimens in an 1898–1891 expedition to Uganda, and descriptions of this collection were published in a five-part paper in the Ibis in 1891–1892. Other papers described new species appeared in the Ibis and other journals between 1890 and 1917.
Jackson was elected President of the East Africa and Uganda Natural History Society in 1910.
He wrote nine of the nineteen chapters of Big Game Shooting, published in 1894. After retiring, he worked on a complete history of the Birds of East Africa and Uganda, which was unpublished when he died in 1929.