Is this the family in 1881? If so it looks as if Annie was born in Scotland, so you may need to look there for information
6, Hughson Street, Toxteth Park
Isaac Wood Head Married M 25 Carter Lpool, Lancashire
Annie Wood Wife Married F 25 Scotland
Sarah A Wood Daughter Single F 4 Lpool, Lancashire
Thomas Wood Son Single M 3 Lpool, Lancashire
John Wood Son Single M 2 Lpool, Lancashire
Isaac Wood Son Single M 0 Lpool, Lancashire