You can call me "Al"...

[RJNorton]

Eva, this does not totally answer your question, but I hope it helps.

In the book Abraham Lincoln, By Some Men Who Knew Him John W. Bunn wrote:

"I am proud to say that I was one of his junior political agents. Like very many others, I was always glad to do for him anything that I could do. I was often present at political gatherings, held for the purpose of consultation, and I thus came to know pretty well the workings of his mind, so far as they could be learned from close personal contact and observation. I certainly knew something about his personal bearing and concerning the attitude of others towards him. I never heard any man call Mr. Lincoln ‘Abe,’ and he certainly was never spoken of as ‘Abe’ in his own presence. It was not until the campaign of 1860 that I began to hear the talk about ‘Abe’ Lincoln and ‘Honest Abe.’ His associates always called him ‘Mr. Lincoln.’ It may be that sometimes men like Judge Logan, John T. Stuart, Judge Davis or Leonard Swett, called him simply "Lincoln."