In the 1851 census Middlegate, Penrith, Cumberland
Head Richard Monkhouse, age 27, gardener, born Penrith
Wife Elizabeth Monkhouse, age 24, born Scotland
Daughter Harriot Monkhouse, age 11 months, born Penrith, Cumberland

In the 1861 census Queen Street, Penrith, Cumberland
Head Richard Monkhouse, age 37, railway porter, born Penrith
Wife Elizabeth Monkhouse, age 40, porter’s wife, born Scotland
Daughter Harriet Monkhouse, age 11, scholar, born Penrith
[Next door?]
Head Thomas Monkhouse, age 34, gardener, born Penrith.

In the 1871 census 6 Newlands Terrace, Penrith, Cumberland
Head Richard Monkhouse, ag 48, railway porter, born Penrith
Wife Elizabeth Monkhouse, age 54, born Dunfermline, Scotland
Daughter Harriet Monkhouse, unmarried, age 20, dressmaker, born Penrith
Cousin Tom Machell, age 7, scholar, born Patterdale, Westmorland