In the 1891 census Harvest Lane Street, Brightside Bierlow, Sheffield, Yorkshire
Head Mary Ann Stringer, widow, age 74, news agent, born Sheffield
Daughter Mary A. Costello, widow, age 37, living on own means, born Sheffield
Grand daughter, Frances Costello, age 15, born Sheffield
Grand daughter Mary A. Costello, age 12, scholar, born Sheffield
Grand daughter Violet Costello, age 9, scholar, born Sheffield
Grand son John M Costello, age 7, scholar, born Sheffield
Grand son Jim Costello, age 4, born Sheffield
Grand son Bertie Costello, age 1, born Sheffield

In the 1901 census 55 Parsonage Crescent, Hallam, Nether Hallam, Yorkshire
Head Mary Ann Costello, widow, age 48, born Sheffield, Yorkshire
Daughter Frances Costello, single, age 25, burnisher (silver), worker, born Sheffield
Daugher Mary Ann Costello, single, age 22,dress maker, worker at home, born Sheffield
Daughter Violet Costello, single, age 19, burnisher (silver), worker, born Sheffield\Son Son John M. Costello, age 17, moulder steel foundry, worker, born Sheffield
Son Jim Costello, age 14, errand boy port?, worker, born Sheffield
Son Bertie Costello, age 11, born Sheffield