Florence MacMoyer

Florence MacMoyer ( ; fl. 1662 – 12 February 1713), a native of Ballymoyer, County Armagh, Ireland was the last hereditary keeper of the 9th-century Book of Armagh. MacMoyer, who gave evidence against Oliver Plunkett during his trial "for promoting the Roman faith" in the 1680s, died in 1713.

Life Florence MacMoyer was born at Ballymyre during in the 17th century and became a schoolteacher.

MacMoyer was the last hereditary keeper of the 9th-century Book of Armagh. MacMoyer used this money to travel to London to give evidence at the trial of Archbishop of Armagh, Oliver Plunkett, with his cousin, Friar John MacMoyer. Described in several sources as having engaged in perjury, he return to Ireland in 1683, with his "reputation totally discredited" and his name "universally despised".