Definition of "noight"

"Good noight to ye all," and he trotted back into his office with his hat and its silver contents in his hand.

1890, Arthur Conan Doyle, The Firm of Girdlestone‎

Oi'd not loike to be in his place this noight!"

1903, Burt L. Standish, Frank Merriwell at Yale‎

For it's meself as hasn't sturred fut out of the store the day and noight,--more betoken as the boys I've sarved kin testify."

1877, Bret Harte, The Story of a Mine‎

Oi would 'a' helped him jest the same afther that swap an' moore, fur he wuz good stuff, but he must nades shoot at me that noight as I come home wit the wad, so av coorse--" "I wish ye had a Dog now," said the farmer in the new tone of a new subject; "tramps is a nuisance at all toimes, an' a Dog is the best med'cine for them.

1917, Ernest Thompson Seton, Two Little Savages‎