The John Gillin Residence is a large single-story Usonian house, designed by Frank Lloyd Wright in 1950 and built in Dallas, Texas, in 1958. The Gillin House is Wright's only residential project in Dallas. Gillin, a successful oilman, geophysicist and electronics "gadgeteer", commissioned Wright to design a work of art that would also be suita…The John Gillin Residence is a large single-story Usonian house, designed by Frank Lloyd Wright in 1950 and built in Dallas, Texas, in 1958. The Gillin House is Wright's only residential project in Dallas. Gillin, a successful oilman, geophysicist and electronics "gadgeteer", commissioned Wright to design a work of art that would also be suitable for living and entertaining. A self-made man, Wright respected him and allowed him to design many details including all door hardware, the stainless steel kitchenettes and even the diving board support.