1826 August, The United States Literary Gazette, volume 4, numbers 9-10, page 326:
Accordingly there was a satisfactory communication of sweat between me and some dozens of His Majesty's. It is a large open room with the floor covered with wooden trays, and in each tray a naked niggerling.
1864, Thomas Hood, “A Black Job”, in The Poetical Works of Thomas Hood[1], volume 1, Boston: Little, Brown, and Company, page 308:
And all the little Niggerlings emerge / As lily-white as mussels.
1981, Ronald Firbank, “Prancing Nigger”, in Five Novels, →ISBN, →OL, page 142:
'Yes, missey,' the niggerling acquiesced, bestowing a slow smile on Snob and Snowball, who had accompanied him into the room.