For the person looking for Mary McGuire in 1920 census of Lake County, IL. Following is from the 1920 census , Avon Township, Village of Hainesville: Mary McGuire, age 31, widowed, born in WI, father born in Wi, mother, born in Wi Mary C. McGuire, daughter, age 8, single, born in IL, father born in IL, mother born in WI Treen (not sure of first name) McGuire, son, age 6, single, born in IL, father born in IL, mother born in WI Catherine McGuire, daughter, age 4-6/12, daughter, single, born in IL, father born in IL, mother born in WI Alice McGuire, daughter, age 11/12, single, born in IL, father born in IL, mother, born in WI Elizabeth McGuire, mother-in-law, age 79, widowed, born in Ireland, father born in Ireland, mother born in Ireland (came to US in 1850, naturalized in 1866). Hope this helps, Carol