In the wake of White Revolution (early 1960s) a clan of Mohammad Khanlu tribe, comprising 40 households, used Derilou as their winter quarters.[4]
At present, most inhabitants are farmers. Still, during hot days of late spring and summer they move to tents in Chaparli summer camp to provide relatively large sheep herds of the village with better grazing opportunity.
Before the 1940s the village enjoyed relative fame as the seat of Hossein Khan Leysi, who was a feudal from the ruling family of the Mohammad Khanlu tribe. After the Khan's second marriage to a commoner girl from upland region, he moved to Abbasabad, and Derilou lost its former importance. Still the Khan's sons married and the family was expanded. At present half of the village's inhabitants are descendants of Hossein Khan.
References
^Dari Lu can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3059485" in the "Unique Feature Id" form, and clicking on "Search Database".