This phrase appears to have been coined by Franklin.
1729. I am afraid she would resent it so as never to darken my doors again.Benjamin Franklin, The Busybody: Works (1887), i. 341. (N.E.D.)
1748. Richardsons Clarissa. (N.E.D.)
1855. Tom Horsey has not darkened these doors since March gone was a year.W. G. Simms, Border Beagles, p. 34 (N.Y.).
1856. It will be long before I darken her doors again.Knickerbocker Mag., xlviii. 417 (Oct.).
1866. He had no intention of ever darkening the door of Mr. Solomon Sharps store again.Seba Smith, Way Down East, p. 230.