O'Neal of "Love Story" (4)
I believe the answer is:
ryan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">o'neal of love story</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ryan that I've seen before include "Gosling, perhaps" , "US private" , "one associated with private saving account" , "Irishman" , "Boy" .)