1920 U.S. Census, Baltimore City, Maryland
6th Ward, Enumeration District 64, Sheet 15B
17 Durham Street
Dwelling 216, Family 217
Kopp, Margaret, head, owns free of mortgage, female, white, 35, single, can read and write, born in Maryland, both parents born in Germany and spoke German, speaks English, no occupation
Kopp, Katherine, daughter, female, white, 16, single, not in school, can read and write, born in Maryland, both parents born in Maryland, speaks English, filer for telegraph company, wage worker
Kopp, Milton, son, male, white, 5, single, not in school, can read and write, born in Maryland, both parents born in Maryland, no occupation
Rumbel, George, father, male, white, 73, widowed, year of immigration 1870, naturalized in 1876, born in Germany, native language German, both parents born in Germany and spoke German, speaks English, watchman for packing house, wage worker
Rumbel, Frank, brother, male, white, 29, single, can read and write, born in Maryland, both parents born in Germany and spoke German, speaks English, driver of paint wagon, wage worker