Definition of "Cade"

Jack Cade hath gotten London bridge; / The citizens fly and forsake their houses; / The rascal people, thirsting after prey, / Join with the traitor;

1591 (date written), William Shakespeare, “The Second Part of Henry the Sixt, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies. […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, (please specify the scene number in lowercase Roman numerals)]

They're fine lads, but if it's Cade Calvert you're setting your cap after, why, 'tis the same with me.

1936 June 30, Margaret Mitchell, Gone with the Wind, New York, N.Y.: The Macmillan Company; republished New York, N.Y.: The Macmillan Company, 1944,