The 1870 United States census showed Henry Smith (Schmitz, age 5, born in Wisconsin) living with his parents John (age 40, born in Prussia, farmer) and Gertrude (age 39, born in Bavaria) in Woodville, Calumet County, Wisconsin. His other siblings were Agnes (age 12, born in Wisconsin), Theodore (age 11, born in Wisconsin), Adam (age 9, born in Wisconsin), Herman (age 7, born in Wisconsin), Joseph (age 6, born in Wisconsin), John (age 2, born in Wisconsin), and Anna (age 3 months, born in Wisconsin).

The 1880 United States census showed Henry Smith (Schmitz, age 14, born in Wisconsin) living with his parents John (age 50, born in Prussia, farmer) and Gertrude (age 49, born in Prussia) in Woodville, Calumet County, Wisconsin. His other siblings were Theodore (age 21, born in Wisconsin), Adam (age 20, born in Wisconsin), Herman(age 6, born in Wisconsin), Joseph (age 16, born in Wisconsin), John (age 12, born in Wisconsin), Anna (age 10, born in Wisconsin), and Elizabeth (age 8, born in Wisconsin).

The 1895 Minnesota census showed Henry Schmitz (age 28, born in Wisconsin, farmer) living with his brother Herman (age 35, born in Wisconsin, farmer) in Black River Township, Polk County, Minnesota.

The 1900 United States census showed Henry Schmitz (age 34, born in April 1866 in Germany, brick maker) living with his parents John (age 69, born in February 1831 in Germany, capitalist) and Gertie (age 68, born in April 1832 in Germany) in Red Lake Falls, Minnesota.

The 1920 United States census showed Henry Schmitz (age 52, born in Wisconsin, farmer) living with his brother Herman (age 57, born in Wisconsin, prospector) in Jefferson County, Montana.

The 1930 United States census showed Henry Schmitd (age 63, born in Wisconsin, farm irrigator) living with his brother Herman (age 67, born in Wisconsin) in Jefferson County, Montana.

Henry Schmitz died in Montana.