1930 U.S. Census, Baltimore City, Maryland
2nd Ward, Enumeration District 4-22, Sheet 2B
1806 Pratt Street, Dwelling 32, Family 36
Welfel, George, head, owns home, home value $6,000, owns radio, not on farm, male, white, 54, married, age at first marriage 21, not in school, can read and write, born in Maryland, both parents born in Maryland, speaks Englih, salesman for furniture store, employer, not a veteran
Welfel, Gertrude B., wife, female, white, 29, married, age at first marriage 20, not in school, can read and write, born in New York, both parents born in New York, speaks English, no occupation
Welfel, Bernadina, daughter, female, white, 2-6/12, not in school, born in Maryland, father born in Maryland, mother born in New York, no occupation

On 26 December 1930, letters of administration on the estate of George Woelfel were granted to Geroge B. Woelfel and Gertrude B. Woelfel, with a bond in the amount of $7,000. [Baltimore City, Maryland, Orphans Court Proceedings, T604/C2558-137, page 150.]

On 17 January 1931, Gertrude B. Woelfel was appointed guardian to Bernadette Emma Woelfel, minor child of George J. Woelfel, and the said Gertrude B. Woelfel, with a bond of $1,000. [Baltimore City, Maryland, Orphans Court Proceedings, T604/C2558-137, page 342.]

1940 U.S. Census, Balitmore City, Maryland
2nd Ward, Enumeration District 4-24, Sheet 10B
233 Washington Street, Family 199, rented, $10
Woelfel, Gertrude, head, female, white, 39, married (but seems to be crossed out), not in school, highest grade attained 8, born in New York City, living in same place in 1935, forelady for box factory (also something illegible — cotton?), private worker, weeks worked 50, income $900, has other income
Woelfel, Barnette, daughter, female, white, 12, single, in school, highest grade attained 4, born in Maryland, living in same place in 1935
Woelfel, Bernard, son, male, white, 6, single, not in school, highest grade attained 1, born in Maryland, living in same place in 1935