Statistics for occurrence #1 of “friend Mary” in chapter 8 of William H. Herndon, Jesse William Weik, Herndon's Lincoln: The True Story of a Great Life, Etiam in minimis major, The History and Personal Recollections of Abraham Lincoln by William H. Herndon, for twenty years his friend and Jesse William Weik:

...funds and the dim prospects for business, he found time to communicate with the friend whose case was constantly uppermost in his mind. Here is one characteristic letter: Springfield, May 7, 1837. friend Mary : I have commenced two letters to send you before this, both of which displeased me before I got half done, and so I tore them up. The first I thought wasn't serious enough, and the second was on ...
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