Odd how Fanny Crosby gets cited as composer by so many people. She wrote 'thousands' (first book published when she was 24) and used many 'aliases" but "Will the Circle be Unbroken" was by Ada Habershon.
A list of Crosby's most well-known hymns at cyberhymnal:
Crosby bio

I used to listen to the Grand Old Opry many years ago, but I don't remember the words used with the hymn, which I believe was sung at the conclusion of the show.