Ross, these look like they could be some of your family:
1901 census at 25 Kirkgate, Burnley:
Harry Lancaster, 27, head, marr, cotton weaver, born Colne
Elizabeth Lancaster 26, wife, marr, born Clapham Yorks
James Arthur Lancaster 7, son, Born Burnley
Maud Lancaster 4, daur, Born Burnley
William Lancaster 5 months, son, Born Burnley
1891
234 Colne Road Burnley
Benjamin Parker 47, head, marr, farmer, born Colne
Jane Parker 41, wife, marr, born Colne
James Parker 18, son, single, assistant to father, born Colne
Priscilla Parker 16, daur, single, born Colne
Lucy Parker 10, daur, born Colne
Alice Parker 9, daur, born Colne
Nancy Parker 5, daur, born Burnley
Arthur Lancaster 18 ,nephew,cotton weaver, born Colne
Harry Lancaster 16, nephew,cotton weaver, born Colne
James Lancaster 12, nephew, born Colne
John Lancaster 9, nephew, born Colne
1881
22 Claton St, Colne
John Lancaster 28, head, marr, beer ?, born Colne
Ann Lancaster 28 wife, marr,
Arthur Lancaster 8, son, born Colne
Harry Lancaster 7 son, born Colne
James Lancaster 2 son, born Colne
John Lancaster, son, 7weeeks, born Colne
Louroo J. Gilbert 22, single, general servant, born Colne
From
http://lancashirebmd.org.uk. Two possible deaths are:
1883
LANCASTER John age 31 Colne (Record at Preston, register no COL/50/35
1885
LANCASTER Ann Age 33 Burnley (Record at Preston, register no BU/107/90)
There's a marriage 1893:
LANCASTER Harry
GELDARD Elizabeth
at Burnley St Alban (St Paul) Record at Preston, register no CE112/3/340