[1] Kjørn was born at the Old Sandbu farm in Vågå.
[2] He was one of the leading woodcarvers in the Gudbrand Valley.
He followed in the footsteps of Jakob Klukstad, whom Kjørn observed while working on the decoration for Heidal Church.
[1][2] In addition to woodcarving, Kjørn also wrote poems and psalms in the Vågå dialect, painted religious pictures, and carved soapstone gravestones.
[1][2] Kjørn died in Heidal.