Doel is of Dutch origin and means 'valley'. It is a unisex name, although it's more commonly used for boys. The name has gained popularity over the years due to its uniqueness and simplicity.
"The name Doel has seen a resurgence in popularity over the years with five births recorded in each of 1969, 1972, 1993, 2000, and 2015, resulting in a total of twenty-five children bearing this unique name."