[2] He was brought up at Rushbrooke Hall in Suffolk and educated at King Edward VI School (Bury St Edmunds) and Trinity College, Cambridge, where he graduated in 1755.

[3] Davers became an officer in the British Army in 1758, being commissioned into the 44th (East Essex) Regiment of Foot.

Davers held his seat in the House of Commons due to his close personal alliance with Augustus FitzRoy, 3rd Duke of Grafton.

Grafton encouraged him to cultivate his family interest in Bury at the expense of Davers' brother-in-law, Frederick Hervey, 4th Earl of Bristol.

[3] He was rumoured to have earlier married Miss Coutts, a planter's daughter, in America while serving in the army, and to have had a son, Rushbrook.