You said -
Olava went to Skollenborg in Sandsvær October 25 1907
Source information: Hedmark county, Løten, Parish register (official) nr. 10 (1892-1907), Emigration records 1907, page 386. #66
Permanent pagelink: http://www.arkivverket.no/URN:kb_read?idx_kildeid=21&idx
Permanent imagelink: http://www.arkivverket.no/URN:NBN:no-a1450-kb20050103011557
That record lists her as unmarried. That should help you narrow down the time period of your search for a marriage record.