Waldemar-Erdbuch
Kehra village, the town's namesake, was first mentioned in the Danish Census Book as "Ketheræ" in 1241"." Before 1688, the village had also been referred to as "Kecere, Kecnere, Kedere, Kederikull, Kedder, Keyher, Kether, Kädder(e)" and "Keddar". The village was known as both "Kehrakyla" and "Käihra" in 1688, and as Kehra in 1732