Is this your Elizabeth BROWN marrying Harry CROMPTON, 1917?
George BROWN, labourer, is hardly an unusual name, but Maggie CROPMTON?
Lancashire OPC
https://www.lan-opc.org.uk/Search/indexp.html28 May 1917 St James, Gorton, Lancashire, England
BROWN William 26y, Boiler Maker, bachelor, 65 Taylor St.
Father: BROWN William, Labourer
BRAZENDALE Louie Beardmore 20y, Winder, Spinster, 12 Holly St.
Father: BRAZENDALE Edward James, rail fitter
Witness: John Hine BRAZENDALE Maggie CROMPTON
10 Nov 1917 St Thomas, Golborne, Lancashire, England
CROMPTON Harry 25y, Coal Miner, bachelor, 49 Wigan Rd, Ashton in Makerfield
Father: CROMPTON Henry , Engine Maker
Elizabeth BROWN 22y, spinster, Edge Green Golborne
Father: BROWN William, Labourer
Witness: George SUDWORTH Maggie CROMPTON