Fitzwilliamite

plural Fitzwilliamites

1. A supporter of whig leader William Fitzwilliam, 4th Earl Fitzwilliam, especially his views on the need for parliamentary reform and Catholic emancipation.

   So Perrott's Irish friends learned that the Fitzwilliamites were formulating a charge against Perrott, with O'Rouane for chief witness.

   1908, Standish O'Grady, The Flight of the Eagle, page 114

   2 more examples

   There are Canningites, and Burdettites, and Fitzwilliamites, who tell us that Protestantism and Roman Catholicism absolutely mean the same thing; or, that the things, by dint of looking tenderly upon each other, have grown into perfect likenesses.

   1826, Edward Augustus Kendall, Letters to a Friend, page 856

   Finally, Carey's own suffragan in Canterbury, the Bishop of Dover, Richard Llewellin, is a Fitzwilliamite and was ordained at Westcott House, the very seminary where Robert Runcie and John Habgood were once principals.

   1994, Walter Ellis, The Oxbridge Conspiracy, page 315