William Dorrington was an English army officer. Contemporary sources often spell his surname as "Dorington", or "Dodington".
Dodington Hall, Somerset, ancestral home of the Dodington or Dorrington family; heraldic evidence suggests William Dorrington was a member
Royal Irish Regiment of Foot Guards
The Royal Irish Regiment of Foot Guards, or His Majesty’s Regiment of Guards in Ireland, was a regiment of foot guards first raised in 1662 for service in Ireland. Part of the Irish Army of Charles II, it was initially garrisoned around Dublin.
James Butler, Duke of Ormonde, who was given the commission to raise the Foot Guards in 1662