Jeff, I have the 1900 Federal Census for Allegheny City. It is separate from the Pittsburgh census, perhaps that's why you couldn't find them. Anyway, here is what I found: ED #79 - Ward #10 - Sheet #7 - Dated 8 June 1900 114 Charles St. - Allegheny City, PA Muellerschoen, Clinota?, head of household, white male, born May 1867 in Germany, age 33, married 14 yrs, parents born in Germany, immigrated 1882, in US 18 yrs, naturalized, Occ: baker/merchant, rents home Muellerschoen, Anna, wife, white female, born July 1864 in Germany, age 35, married 14 yrs, birthed 1 child, 1 child is living, parents born in Germany, immigrated in 1884, in US 16 yrs Muellerschoen, Anna, daughter, white female, born Apr 1887 in PA, age 13, single, at school Muellerschoen, George, brother, white male, born Jun 1875 in Germany, age 24, single, parents born in Germany, immigrated 1892, in US 8 yrs, alien, occ: (Bakery) salesman Murphy, Annie, servant, white female, born Feb 1881 in PA, age 19, single, parents born in PA, occ: housemaid Hope this helps, Gma Barb babarnes@nauticom.net