1880 U.S. Census, Baltimore City, Maryland
Enumeration District 23
160 Eastern Avenue, North Side
Dwelling 155, Household 219
Traupwein, Jacob, white, male, 46, married, laborer, born in Hanover, father born in Hanover, mother born in Darmstadt
Traupwein, Katharine, white, female, 45, wife, married, keeping house, born in Hanover, both parents born in Hanover
Traupwein, Elizabeth, white, female, 18, daughter, single, at home, born in Maryland, both parents born in Hanover
Traupwein, John, white, male, 11, son, single, at school, born in Maryland, both parents born in Hanover
Traupwein, Jacob, white, male, 6, son, single, born in Maryland, both parents born in Hanover
Traupwein, Chares, white, male, 3, son, single, born in Maryland, both parents born in Hanover
Traupwein, Louis, white, male, 1, son, single, born in Maryland, both parents born in Hanover

On 23 November 1905, the Baltimore Sun published:
SURPRISE TO MRS. TRAUTWEIN.
A pleasant surprise party was given Mrs. Katherine Trautwein at the home of her son, Mr. Jacob Trautwein, 814 East Eager street, in honor of her sixty-ninth birthday by her sons, Messrs. Lewis and Jacob Trautwein, and her only daughter, Mrs. Elizabeth Diver. The parlor was elaborately decorated with palms and potted plants, and the table and dining-room with chrysanthemums, carnations and roses. Music was furnished by Mr. W. T. Mooney and Miss Emma Diver. Supper was served and the guests all sang and danced until a late hour. Those present were:
Mr. and Mrs.—
Lewis Trautwein, Jacob Trautwein, George Beigel, William Schuhl, Thomas W. Moore.
Mrs.—
K. Plummer, Annie Kley, N. Count, Hiram O’Brien, Bena Betz, Katie Wiseman, Mary Diver, Nan Agular.
Misses—
Mary Pinfer, Tillie Kley, Ethel Mooney, Gertrude O’Brien, Alma Wills, Estella Diver, Mamie O’Brien, Delia O’Connor.
Messrs.—
William Schissler, Edmund Meisel, Robert Moore, Edmund O’Connor, Jerry Sutton, Albert Moore, John Diver.
[The Baltimore Sun, 23 November 1905, page 6.]