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1930 U.S. Census, Baltimore City, Maryland
First Ward, Block 63, Enumeration District 4-16, Supervisor’s District 4, Sheet 1A
Enumerated on 2 April 1930
2705 Eastern Avenue
Dwelling 3, Household 4
Donaldson, Robert L., head, owner, $5,200 in real value, no radio set, not on farm, male, white, age 65, married (no age stated for first marriage), not in school, can read and write, born in Maryland, both parents born in Germany, speaks English, occupation railway-clerk for railroad, wage worker, at work previous day, not a veteran
Donaldson, Minnie, wife, female, white, age 67, married (no age stated for first marriage), not in school, can read and write, born in Maryland, both parents born in Germany, speaks English, no occupation
Household 5
Korte, George F., head, renting for $20, no radio set, not on farm, male, white, age 32, married, first married at age 22, not in school, can read and write, born in Maryland, both parents born in Maryland, speaks English, occupation book-keeper for advertising company, wage worker, at work previous day, not a veteran
Korte, Cecilia M., wife, female, white, age 26, married, first married at age 16, not in school, can read and write, born in Maryland, both parents born in Maryland, speaks English, no occupation
Korte, Muriel M., daughter, female, white, age 6, single, in school, (read and write is blank), born in Maryland, both parents born in Maryland, (speaks English is blank), no occupation

1940 U.S. Census, Baltimore City, Maryland
27the Ward, Block 64, Enumeration Distrct 4-861, Sheet 16A
5510 Sefton Avenue, Household 336, owned, value of home $4,700, not on a farm
Korte, George, male, white, 41, married, not in school, highest level of education 6th grade, born in Maryland, lived in same place in 1935, employed, worked 48 hours week prior to census, accountant for building contractors, wage or salary worker, 52 weeks worked in 1939, income $1,820, no other sources of income
Korte, Cecilia, wife, female, white, 36, married, not in school, highest level of education 8th grade, born in Maryland, lived in same place in 1935, not employed, engaged in housework, no other sources of income
Korte, Muriel, daughter, female, white, 16, single, in school, highest level of education 9th grade, born in Maryland, lived in same place in 1935, not employed, no other sources of income