Feb. 13, 1902
KALBFELL-On Tuesday afternoon, February 11, 1902, Clarence Kalbfell, son of the late Chas. and Elizabeth Kalbfell, age 11 years. Funeral services at the residence of his uncle, Christian Herman, 219 Jackson street, Allegheny, at 3 p.m. Friday. Friends of the family are respectfully invited to attend.
The 1900 PA Census, Allegheny, Allegheny City, Monterey Street:
Kalbfell, Elizabeth A., July 1856, wid, 8children/7living, PA PA PA
", Charles H., son, Feb 1874
", John C., son, Aug 1876
", Walter G., son, Apr 1884
", Elmer A., son, Nov 1885
", Clarence R., son, Jan. 1891, PA PA PA
The Kalbfell family in 1880:
1880 PA Pennsylvania, Allegheny Co.
Charles H. KALBFELL Self M W 28 PA Clerk WURT HESSE
Elisabeth KALBFELL Wife M W 24 PA AUS AUS
Charles H. KALBFELL Son S W 6 PA AUS AUS
John C. KALBFELL Son S W 4 PA AUS AUS
Edward W. KALBFELL Son S W 1 PA AUS AUS [m. Lydia]
Anna KURTZDORFER SisterL S W 18 PA AUS AUS
Charles Kalbfell (Sr.) found here in a Pittsburgh City Directory (which I remembered to search thanks to this blog post at Midwestern Microhistory: A Genealogy Blog).
Note: Not related and have no further information.