In the 1881 census Chapel Lane, Appleby, Westmorland
Head Thomas Slack, age 36, cabinet maker, born Penrith, Cumberland
Wife Elizabeth Slack, age 38, cabinet maker’s wife, born Appleby
Son Joseph E. Walton, age 17, tailor’s apprentice, born Appleby
[possibly he was born out of wedlock]
Daughter Ada W. Slack, age 11, scholar, born Appleby
Son Richard J. Slack, age 9, scholar, born Appleby
Daughter Isabella Slack, age 6, scholar, born Barrow in Furness, Lancashire [later part of Cumbria]
Son Edward W. Slack, age 4, scholar, born in Appleby
Daughter Sarah E. Slack, age 21 [must be 2 not 21], scholar, born Appleby
Son David Slack age 6 months, born Appleby

In the 1891 census Chapel Lane, Appleby St Laurence, Westmorland
Head Thomas Slack, age 45, joiner, employed, born Penrith, Cumberland
Wife Elizabeth Slack, age 47, born Appleby
Son Thomas Slack, age 24, painter, employed, born Appleby
Daughter in Law Frances Slack, age 25, born Brook, Durham
Nephew Stephen Rudd, single, age 19 cooper, employed, born Penrith
Son Richard Slack, age 19, mason, employed, born Appleby
Son Edward Slack, age 14, joiner, employed, born Appleby
Daughter Sarah Slack, age 12, scholar, born Appleby
Son David Slack, age 10, scholar, born Appleby
Daughter Alice Slack, age 8, scholar, born Appleby
Daughter Beatrice Slack, age 3, born Appleby