Looks like Isaac had married before?
Marriage, September qtr 1874
Scarborough district vol 9d, page 524
Bland, Isaac
+ and on the same page +
Wright Rebecca
1881 census
Class: RG11; Piece: 4803; Folio: 185; Page: 25
126 Long West Gate, Scarborough
Bland, Isaac Head M 33 Bricklayer's Labourer b Scarborough
Bland, Rebecca Wife F 38