“We just feel really blessed. We don’t know what God’s plan is for him, but you know we have to wait and see,” said Shirley Koerner, daughter.

Christiansan says his secret to living such a long life is staying busy.

“Yeah, I still mow my own lawn. I had to quit driving. I still get along pretty good,” said Christiansan.

Christiansan had five generations of family members at the celebration.

(Read more: KWCH News)