1920 U.S. Census, Baltimore City, Maryland:
First Ward, Enumeration District 10, Sheet 19
612 S. Montford Avenue
Dwelling 278, Household 410
McCordick, Joseph, head, rents, male, white, 33, married, can read and write, born in Maryland, both parents born in Maryland, speaks English, occupation salesman in butter and eggs, wage worker
McCordick, Sophie, wife, female, white, 28, married, can read and write, born in Maryland, both parents born in Maryland, speaks English, occupation janitress in church, wage worker

1930 U.S. Census, Baltimore County, Maryland:
Election District 13, Enumeration District 3-57, Supervisor’s District 3, Sheet 4B
Enumerated 5 april 1930
113 Popular Avenue
Dwelling 62, Household 64
McCordick, Joseph, head, owner, $4,800 in real property, owns radio set, not on farm, male, white, age 43, married at age 29, not in school, can read and write, born in Maryland, both parents born in Ireland, speaks English, occupation salesman in canned goods, wage worker, at work previous day, not a veteran
McCordick, Sophie, wife, female, age 35, married at age 22, not in school, can read and write, born in Maryland, father born in United States, mother born in Ireland, speaks English, no occupation

1940 U.S. Census, Baltimore City, Maryland:
2nd Ward, Enumeration District 3, Sheet 1B
Enumerated 2 April 1940
14 South Wolfe Street
Rented for $10 per month
McCordick, Sophie, head, female, white, 45, widowed, not in school, highest grade completed 7th, born in Maryland and living there in 1935, not on farm, not employed, weeks worked in 1939 0, income 0, no other income