In the 1881 census Station Street, Kingsclere, Hampshire. Head Cornelius Clark, age 41, plumber re?, born Kingsclere, Hampshire. Wife Emma Clark, age 42, born Reading, Berkshire. Daughter Emma Clark, age 14, scholar, born Kingsclere. Daughter Florence Clark, age 11, scholar, born Kingsclere. Son Sidney W. Clark, age 10, scholar, born Kingsclere. Son Harry C. Clark, age 9, scholar, born Kingsclere. Son Ernest E. Clark, age 6, scholar, born Kingsclere. Daughter Annie A. Clark, age 5, scholar, born Kingsclere. Son Albert G. Clark, age 3, scholar, born Kingsclere. Daughter Ada B. Clark, age 2, born Kingsclere.

In the 1891 census Station Road, Kingsclere, Hampshire. Head Cornelius Clark, age 52, plumber, employer, born Kingsclere. Wife Emma Clark, age 53, born Reading, Berkshire. Son Harry C. Clark, age 19, single, plumber, born Kingsclere. Daughter Annie A. Clark, age 15, born Kingsclere. Daughter Ada B. Clark, age 12, scholar, born Kingsclere.