When Hilbert Ostby was born in 1871, in Adams, Wisconsin, United States, his father, Henry Ostby, was 33 and his mother, Hannah Ainsen, was 28. He married Amelia "Millie" Matzke on 26 September 1906, in Ahnapee, Kewaunee, Wisconsin, United States. They were the parents of at least 5 sons. He lived in Wabeno, Forest, Wisconsin, United States in 1910 and Round Lake, Sawyer, Wisconsin, United States for about 20 years. He died in 1944, in Hayward, Sawyer, Wisconsin, United States, at the age of 73, and was buried in Hayward, Sawyer, Wisconsin, United States.
Some characteristic forenames: Scandinavian Gothard, Gunner, Jorun.
Norwegian (Østby): habitational name from any of about forty farmsteads, mostly in southeastern Norway, named Østby or Austby, from Old Norse Austbýr, a compound of aust ‘east’ + býr ‘farmstead’.