[1][2] Ole Iglerød was born the son of a farmer at Aremark in Østfold.
From 1808 to 1814, he served with the Norwegian Army in the Søndenfjeldske Infantry Regiment stationed at the Fredriksten Fortress.
He participated, under the command of Andreas Samuel Krebs, in the skirmishes at Prestebakke and Berby in the valley of Enningdalen during the Dano-Swedish War (1808).
Wounded in battle, he was discharged from active service and returned to Aremark where he took over the family farm.
[3][4] Together with Daniel Frederik Petersen, he was given the honor of representing Søndenfjeldske Infantry Regiment at the Norwegian Constituent Assembly at Eidsvoll in 1814.