Odd

A mother and father named their child "Odd". And because of his unfortunate name, poor Odd had the worst life you could imagine.
In school, he was always picked on and had trouble making friends. In college he never fit in and struggled to gain the respect of his peers. In life he drifted from job to job, unable to find steady work. He never found the love of his life and lived a lonely bachelor.
And so one day Odd decided he couldn't go on anymore and took his own life. In his suicide note he demanded that his grave be a blank headstone with no mention of his name, so that he could be completely and utterly forgotten.
And yet every time someone walks past his grave, they see his wordless stone and go, "That's odd..."