Here might be more details of your roots from Kuortane if birthday matches.

LINK: http://www.genealogia.fi/emi/3d61index.htm

Kuortane: - Certificates for Passports

The individuals in the list have got a certificate for a passport to go abroad. The names have been typed from the communion books 1891-1900 from Kuortane parish. A name is found on several pages in the communion books if there are more than one name in the Farm or Family Name field. For some individuals there is also the name of a crofter's cottage or a side-cottage. Recorded by Raija Heiskala, Saarijärvi.

Jaakko Jaakonpoika Ahola born 3.4.1851 date passport 1889
marked ? 467

Jaakko is Finnish form of Jaakob

LINK: http://www.genealogia.fi/hiski/dky0m9?en+0250+kastetut
Kuortane - christened

Years 1851 - 1851
Child's first name: JAAKKO => Jacob
Born Christened Village Farm Father Mother Child

3.4.1851 4.4.1851 Ahola Bd. Jacob Thomaeson Walborg Henr.dr. 24 Jacob

Jaacobs fathers name was also Jacob (son of Thomas) and his mother name was Wahlborg (Daugter of Henric or Heikki) aged 24 when Jacob was borned.

Right Finnish spelling for Isotala is Isotalo (Big house) and Liisabet coulb be also Liisa, Elisabet or Lisabet in Christened books