In 1827, he received the rectory of West Tytherley, Hampshire, and two years later he was elected headmaster of Harrow School.

The chief event of his primacy was the meeting at Lambeth, in 1867, of the first Pan-Anglican conference of British, colonial and foreign bishops.

Henry Longley (28 November 1833 – 25 December 1899), served as Chief Charity Commissioner for England and Wales.

Mary Henrietta Longley (born 2 May 1837 in Ramsgate, Kent) married – on 9 December 1858 – George Winfield Bourke (died 9 October 1903), Honorary Chaplain to the Monarch, and son of Robert Bourke, 5th Earl of Mayo.

Their only child was Walter Longley Bourke, 8th Earl of Mayo (28 November 1859 – 1939); from 1891 to 1903, he was a Trustee of the Bridgewater Estates.

Caroline Georgina Longley (died 30 October 1867) married, on 6 November 1862,[8] (as his 1st wife) Edward Levett (18 December 1832 – 28 December 1899), major in the 10th Royal Hussars, of Wychnor Park and Packington Hall, Staffordshire, third son of John Levett and his wife Sophia Kennedy, granddaughter of Archibald Kennedy, 11th Earl of Cassilis.

Rosamond Esther Harriett Longley (died 1936) married, 1870, Cecil Thomas Parker (1845–1931), 2nd son of Thomas Parker, 6th Earl of Macclesfield by his 2nd wife Mary Frances Grosvenor, a sister of Hugh Grosvenor, 1st Duke of Westminster, and had four sons and two daughters.

[10] The fourth and youngest son Wilfrid Parker (1883–1966) became Bishop of Pretoria, South Africa.

A granddaughter (by the 3rd son Geoffrey) Isolda Rosamond Parker (1918–2014) married, 1940, David Pollock, 2nd Viscount Hanworth (1916–1996) and is mother of the present peer.