There is a change in the spelling of the name Osborne but it is very difficult to notice. William Leroy, his siblings and his children have 0sborne starting with the number '0' instead of the letter 'O'. William Leroy Osborne's father's surname has the correct spelling and his descendents have the wrong spelling, hence the inconsistency. On my screen the number '0' is slightly thinner than the letter 'O', but it is nonetheless hard to differentiate between the two. It looks the most of the Obsornes in the tree need their names fixed and the number replaced by the letter.
Sincerely,
Tamas