Sir John Perceval, 1st Baronet, Irish nobleman (died 1665)

Sir John Perceval, 1st Baronet was a substantial landowner in Ireland. He was knighted by Henry Cromwell for his services to the Commonwealth government of Ireland during the Interregnum. Shortly before the Restoration, he held the offices of Chief Prothonotary of the Common Pleas and Clerk of the Crown. After the Restoration, he was granted a baronetcy and given a full pardon for his activities during the Interregnum. He was appointed Privy Councillor to King Charles II, a Knight of the Shire for County Cork, and was a member of the Council of Trade.

September 7 is the 250th day of the year in the Gregorian calendar; 115 days remain until the end of the year.