Noo Yawk; New Yawk; Noo York

"New York" has been given the folksy spelling "Noo Yawk" or "New Yawk" or "Noo York."

(New York Public Library "catnyp" record)
Call # Pub. Cat. 99-957 Shelf 73
Author Hendrickson, Robert, 1933-
Title New Yawk tawk : a dictionary of New York City expressions / Robert Hendrickson.
Imprint New York : Facts on File, c1998.

September 1835, The Knickerbocker, or New York Monthly Magazine, pg. 234:
"Do you know the Miss --'s of Noo-Yawk?"

21 December 1839, Spirit of the Times, pg. 493:
Wot a place that Rooshy must bee; master was saying at a dinner party that they giv 10 ginnees for a pare of mostershis, and that the price had ris, oing to a grate demand having sprungd up for the Noo York market, waree they go off at eny price, and in eny quanty.

14 July 1864, The Youth's Companion, pg. 109:
It was young Trull's first visit to Greenville. He was a regular Bowery boy, and had never been more than a Sunday's drive from "New Yawk" in his life before.