> > S "the eighth" am
>
> Are you then "Samuel Stoddard VIII," or are you simply the eighth person in a row to have the first name Samuel?

Not in a row -- it's eight over ten generations. Nine, actually, if you count an uncle that died as an infant -- his brother resumed the naming scheme by naming his son after his father. I'm the fourth in a row. My father is III, and my grandfather is Jr., but I have no official suffix.