1920 Mecosta Co., Green Twp., Michigan.

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This census lists both William and William G.

(Line 55)
Hurst, William, Sr., Head of Household, Age 71, Year of Immigration to U.S. 1864, Naturalized 1871, Born in Canada, Father born in Ireland, Mother born in Ireland.
Ellen, Wife, Age 61, Year of Immigration to U.S. 1864, Naturalized 1871, Born in Canada, Father born in Ireland, Mother born in Ireland.

(Line 81)
Hurst, William G., Head of Household, Age 45
Nellie M. (it says Lilly M. but we know it was Nellie), Wife, age 43
William F., Son age 18
John W., Son, age 16
Mary E., Daughter, age 7
Marjorie E., Daughter, age 5