- Anachronism Stew: While Loretta's being examined at the doctor's office just before finding out that she's pregnant the doctor reminisces about her seeing him previously to receive measles shots in real life the measles vaccine didn't exist until 1963.
- One of the miners in the opening scene uses the term "New York minute", which wasn't used for another decade.
- Dawson Casting: Sissy Spacek, who was 29/30 at the time of filming, played Loretta Lynn between the ages of 13-14 to 35 years old.
- Making Use of the Twin: Loretta's infant sister Betty Sue was played by twins.
Trivia / Coal Miner's Daughter