Halvor cash-claimed a quarter in 6, 8N 48W in 1890.
The delinquent tax list for 1890 has the name as HALMER - the same piece of land.
One possibility is the Halvor Oliver Anderson born 1864 in Illinois, who married Bertha Peterson March 17, 1891 in Kendall County Illniois, and subsequent census have them in Kendall County.
In 1880 Kendall County Halvor is 15, with parents Ole and Martha , both born in Norway. Henry 20, Andrew 18, Halvor 15, Betsy, 111 and Malinda 9 were all born in Illinois.