Perhaps you should try some spelling variations:
elizabeth throgmorton » elizabeth thomson, elizabeth morton, elizabeth thompson
elizabeth morgan » elizabeth moxon, elizabeth margaret, elizabeth mary
elizabeth morice » elizabeth mure, elizabeth mary, elizabeth moxon

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((elizabeth throgmorton) OR (((elizabeth morgan) OR (elizabeth morice)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((elizabeth throgmorton) or (((elizabeth morgan) OR (elizabeth morice))))".
• Adding a wildcard symbol may retrieve word variants: ((elizabeth throgmorton) or (((elizabeth morgan) OR (elizabeth morice))))*.