Happy Valley to PDX - PDX shuttle airport +1 (503) 760 6565 Happy Valley to PDX Happy Valley to PDX, Oregon History Happy Valley was originally called Christilla Valley, named after the first residents, Christian and Matilda Deardorff. They arrived in 1851 and claimed 640 acres (2.6 km2) on the floor of the valley. The city was officially incorporated in 1965 and remained a small … Continue reading Happy Valley to PDX →