Doonesbury by Garry Trudeau for September 18, 1975
Duke: Uh, just one last question here, Mrs. Allman, and then I'll let you go... how come your named your kid "Chastity"? Cher: Um... well, like, Grace Slick named her kid "God," and then alter, "China," and Barbara Seagull called her kid "Free," and Abbie Hoffman called his kid "America." Duke: I see - all the good names were taken. Cher: Right.