Definition of "missis"

Massa and missis have lone gone before me.

1878, quoted 2001, from a song by James Bland, an African American songwriter for minstrel shows, "Carry Me Back to Old Virginny", The Garland Encyclopedia of World Music: North America. Garland Publishing. Ellen Koskoff (Ed.). p. 192.

A man said he'd give me five pounds if I'd paint him and his missis and the dog and the cottage.

1913, D[avid] H[erbert] Lawrence, “Passion”, in Sons and Lovers, London: Duckworth & Co. […], part II, page 341