Streat left her thumbprint all over the world. Streat and her husband, producer John Edgar Kline, created “Children’s City” in Honolulu to introduce kids to the arts. She also created “The Negro In History” visual education program for kids through a series of murals in 1948.
Thelma Streat died in May, 1959. Her legacy is nurtured by the Thelma Johnson Streat Project in Lake Oswego, Oregon. Her piece entitled ‘Girl With Bird’ (oil on paper, 1950) is currently featured in the collection owned by Larry and Brenda Thompson at the Knoxville Museum of Art. Her piece entitled ‘Black Virgin,’ is featured in the collection at Reed College. Her work is also included in the collections of the Museum of Modern Art, Mills College in Oakland, California, the San Francisco Museum of Art, and the Honolulu Academy of the Arts.