The movie's source novel "The Country Girls" (1960) by Edna O'Brien was banned by Ireland's classification authority the Irish Censorship Board with O'Brien's parish priest publicly burning copies of the book. O'Brien because of the public denouncement left Ireland.
The movie's source novel "The Country Girls" (1960) by Edna O'Brien is the first of a trilogy of books known as "The Country Girls Trilogy", with the subsequent parts being "The Lonely Girl" (1962) and "Girls in Their Married Bliss" (1964). Later, around 1986-1987, all three stories were published in the one anthology with a new epilogue. Ironically, it was the novel's first sequel, "The Lonely Girl" (1962), that got filmed first, but under the different title of the Girl with Green Eyes (1964), with the film being also directed by the same director of The Country Girls (1984), Desmond Davis.
The film's source novel "The Country Girls" (1960) by Edna O'Brien was a best-seller, particularly in London and New York, and is considered to be a ground-breaking literary work that broke through social mores and sexual taboos in Ireland prior to World War II.