Just for fun, it's not stupid so may not prove too popular, but anyway...

I'll give a clue, if nobody gets the answer, I'll give another, etc.
As usual, no googling, it's not fair on people playing legit.

Ok, here we go.

I was born in the USA in 1941 with the surname "Burns", but I later took my step-father's surname, which I'm now known as.