Jon Walmsley never knew his grandparents, while Ellen Corby never had grandchildren. The two "adopted" each other, attending events, and visiting places together.
The "goodnight" routine at the end of each show was an actual activity in creator Earl Hamner, Jr.s home when he was a child. He said the activity would go on until his father finally told them to be quiet. One instance of this not happening was the two-part episode "The Outrage"; at the end of part 2, President Roosevelt dies and the family goes to Charlottesville early in the morning to pay their last respects as the train carrying his body passes by.
Robert Wightman who played the second John Boy never attended any of the Walton reunions. Michael Learned said that a major reason she quit was because she was uncomfortable with another actor replacing Richard Thomas.
In contrast to his character, who rarely attended church, Ralph Waite was a licensed minister in real life and assisted John Ritter in his role as Reverend Fordwick.
The series takes place from the spring of 1933 to June 1946.