The back of this photo says this little boy is named "Leo" but no last name is given. The photograph was taken by H.T. Biel of 417 1/2 Wabash Avenue, Terre Haute, Indiana and was found in a photograph album along with other pictures. It was probably taken around the late 1890's or early 1900's.
If you know who this may be, let us know in the comments!