Listed as a farmer in the 1900 Federal Census, Justice Precinct 1, Comanche, TX.

Listed as a farmer in the 1910 Federal Census, Justice Precinct 1, Comanche, TX; Lula's mother, Nannie Johnson, living in the household; indicates seven children born, six surviving.

Listed as a farmer in the 1920 Federal Census, Comanche, Comanche, TX; William's mother, Mrs. J. E. Robertson, living in the household.

Wife Lula listed as a widow living in the household of her daughter Myrtle M. (Thompson) in the 1930 Federal Census, Dallas, Dallas, TX (listed as [Mrs.] William A. Robertson).

Sources:

1. 1900 Federal Census, Justice Precinct 1, Comanche, TX.

2. 1910 Federal Census, Justice Precinct 1, Comanche, TX.

3. 1920 Federal Census, Comanche, Comanche, TX.

4. Wife listed as a widow in the 1930 Federal Census, Dallas, Dallas, TX