Background
Davys was son of Sir Paul Davys by his second wife Anne, daughter of Sir William Parsons, 1st Baronet, and younger brother of Sir William Davys, Lord Chief Justice of Ireland.
Davys was son of Sir Paul Davys by his second wife Anne, daughter of Sir William Parsons, 1st Baronet, and younger brother of Sir William Davys, Lord Chief Justice of Ireland.
He was educated at Dublin University and Lincoln"s Inn.
In 1678 Davys was granted the office of Principal Secretary for Ireland in reversion after the current office holder Lord Lanesborough, who died in 1683. This office had been previously held by his father Sir Paul Davys. He was appointed to the Privy Council of Ireland in about 1682.
After the accession of James II, John is said to have privately opposed the King"s policies and to have absented himself from Ireland for a time.
Francis Elrington Ball in his History of Dublin praises John Davys as a man of prudence and integrity.