It was first mentioned in 1356 as Yserlo, and means "forest with primeval soil".[3] In 1840, it was home to 438 people.[4] The postal authorities have placed it under Aalten.[5]
IJzerlo has built a local reputation for its annual Farm & Country Fair,[4] the Easter fire and the provision of outdoor play.
^"Postcodetool for 7122AA". Actueel Hoogtebestand Nederland (in Dutch). Het Waterschapshuis. Archived from the original on 21 September 2013. Retrieved 18 March 2022.