Our family was from the Jamtland area of Sweden. It was spelled Odholm with oomlots over the O. Jonas (John) was the first to come to the US in 1891 departing from Norway on the Steamship Domino and settled in Johnsonberg, PA. He traveled with his wife, Brita Mathilda Strindberg and son, Carl.
I would be happy to share what I have.
Lori