The address is actually 2031 Kimball St. in Philadelphia. Unfortunately, no McFadden there in the 1900 census.
http://interactive.ancestry.com/7602/004115200_00484/?backla...Also, in the 1898 Philadelphia city directory, there are 3 full columns of McFadden. Unfortunately, there is no indication of the wife of the household head named, nor any female beginning with "G"
From 1897 to 1903 a family named Boy(I)ce lived at that address.