Kirkwood is of Scottish origin, derived from the place name Kirkwood, which translates to 'church wood'. It is a surname that has been used as a given name since the mid-20th century. The name gained some popularity in the United States during this time, likely influenced by the success of actor Kirk Douglas.
"Over the course of nearly eight decades from 1914 to 1989, there were thirty-five children named Kirkwood."