Margaret Thatcher's middle name (5)
I believe the answer is:
hilda
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">margaret thatcher's middle name</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hilda that I've seen before include "Woman" , "Margaret -- Thatcher" , "girl" , "Girl's name; rhymes with constructor" , "saint" .)