Green’s Dictionary of Slang

(US) a Kentuckian, Kentucky; also as adj.

1825		J.K. Paulding John Bull in America 222: Princeton is the capital of old Kentuck, as these republican slang-whangers call it.
1835		D. Crockett Col. Crockett’s Tour to North and Down East 57: It seems as if the whole face of the earth had been covered over with stones, as thick as Kentuck land titles.
1838		Belfast Commercial Chron. 15 Dec. 4/2: Old Kentuck — I like to commence the evening in a lively manner. Major, let me have a leetle sling, but make it strong as thunder.
1843		H.C. Lewis Swamp Doctor’s Adventures in Hudson Humor of the Old Deep South (1936) 81–6: I want to interduce Kaintuck fashions on a Southern sile.
1843		W. Oliver Eight Months in Illinois 15: The Kentuck denied he had done anything to insult him.
1843		Roscommon & Leitrim Gaz. 9 Sept. 4/1: ‘Well, when I go back to old Kentuck, and tell them the British have negroes for soldiers, they never will believe me’.
1856		M. Griffith Autobiog. of a Female Slave 247: At last, on foot, after long travel, I reached Kaintuck.
1856		M.J. Holmes ’Lena Rivers (1878) 80: How do you git along down amongst them heathenish Kentucks and niggers?
1863		G.W. Whitman letter 16 Aug. in Civil War Letters 101: Well here we are again back in old Kaintuck.
1876		‘The Days of ’49’ in Lingenfelter Songs of the Amer. West (1968) 559: There was Kentuck Bill, one of the boys.
1884		Fort Worth Dly Gaz. (TX) 4 Feb. 4/5: The Texas negro is usually ‘bred an’ born in ole Firginny,’ but specimens from ‘old Kaintuck’ are not unfrequently met.
1897		(con. 1860s) W.E. Barton Hero in Homespun 218: Them men’ll be a-shootin’ on ye every mile o’ the way from here to Kaintuck!
1928		M. Bodenheim Georgie May 267: Ah was raised back of a stoah up in Kaintuck.
1929		L. Thomas Woodfill of the Regulars 307: You from Kentuck, buddy?
1929		S.J. Perelman Dawn Ginsbergh’s Revenge 81: The theme song from Olive Hasholem’s opera: Marriage by contract, I love you [...] Mammy and her gigolos, my old Kaintucky home.
1940		(con. 1820s) W.E. Wilson Wabash 226: I know the state of Kaintuck runs to the low-water mark on the Indianny shore, yer honor.
1941		(con. late 19C) L.D. Baldwin Keelboat Age on Western Waters 61: Even the Americans admitted that the Creoles were the best oarsmen, though they considered a ‘Kentuck’ best at the setting poles.