1880 Census: Richland Twp., Warren Co., Iowa.
1885 Census: Richland Twp., Decatur Co., Iowa. (Just NE of Beaconsfield)
1895 Census: NOT LISTED w/John W Gibson household in Decatur Co., Iowa.

Father and mother BP Pennsylvania (1880 Census)

Theory according to 1880 Census:
Had Bertie and Joseph with first husband Gibson before John W.
Had Lula as first child with John W, and following.

Source: Birth record for son John L. Gibson.
Source: Marriage record for son John L. Gibson.