When indexing the "father's surname" I only type the father's surname but not his given name but when indexing mother's maiden name I type both her given and surname??
@Mary Ann Rose if you didn't find the answers to your questions that Melissa S. Himes gave you, I would also like to refer you to the Indexing Chat at the following link as they may be able to give you further assistance.
What project are you working on Mary Ann? It is always best to share the batch, or at least state the project to get a good answer.
Here are the instructions on how to share a batch: