James Garfield
There have been six Presidents of the United States named James. Not to mention the other historical figures who bore the same name. As a result, determining which president James was named after, if any, is more difficult than with other names. That is, unless your name is James Garfield Davis, in which case the name was clearly chosen in honor of President James Garfield.
It isn't much known about James Garfield Davis. So, what is his significance? Because of his grandson, Jim Davis created a famous cat and named him after his grandfather, who was named after the president. That's right, think about the connections between the wise-cracking, lasagna-slurping striped cat and the esteemed 20th President of the United States the next time you read a Garfield strip.