You might be interested in this statement in the essay "An Eighteenth-Century Obsession - The Plant Collection of the 6th Earl of Coventry at Croome Park, Worcestershire" by Margaret Stone, Ann Hooper, Pamela Shaw and Lesley Tanner in the current (Summer, 2015) issue of the journal Garden History (p.85): "There is an invoice from James Lee in 1792 listing fifty-two varieties, new roses including.....the centifolias 'Bishop', 'Lisbon' and 'Sultan'...
In each case the dates slightly precede those given on this site.