Hello Helga, I was searching for a Edwin McBain of Iowa and ran across your Query.I think I found the info. that you need on Ancestory if you have access to Ancestory.com you can see it there.The inforwas posted by Jackie Dill.
She has Edwin McBain b 5 Dec 1872 Tiverton Ont. Can. d 1955 Rothsay MN. mar Ann Engvik b 11 May 1882 Morton, ND. mar 5 Apr 1905 Fargo ND..children Lewis, Alexander, Vivian, Myrtle, Thelma, Roy, Luella, William. She does have some on the Engvik fam. but I failed to print it or take notes. If you need more help let me know & I will see what I can do.
Jackie Dill email is JJDILL@pldi.net if you want to contact her.