Wm. C. Sparks (Margaret A.) v-pres. and gen. mgr. Rockford and Interurban Railway Co., and Rockford Traction Co.
Source: 1923 – 1940 Rockford City Directory
William C Sparks, 52; wife Margaret A Sparks, age 50; son Allen L, age 25; son William C., age 16, daughter Mary E, age 14; mother Mary E .Sparks, 70; maid Hilde Ekstrom, age 24
Source: 1930 Federal Census