El is a Beth's Personal Name List

Name M/F Remark Rating
Babbs  Barbara (f) -> Babbs (s). Not a male given name. Unrelated to Babbitt, which derives from the Anglo-Saxon masculine name of Babba. 
Beaton  Beatrice (f) -> Beaton (f, diminutive) -> Beaton (s), in one of the four potential etymologies. Not a given name AFAIK. 
Bell 2  Isabel (f) -> Bel (f, diminutive) -> Bell (s). Not a boy's given name AFAIK. 
Elwes  Eloise (f) -> Elwes (s). Not given name AFAIK. 
Everill  Variant of Averill. 
Hilliard  Hildegard (f) -> Hildegard (s, German) -> Hilliard (s). 
Ibbott  Isabel (f) -> Ibota (f, diminutive) -> Ibbott (s). Not given name AFAIK. 
Marriott  Mary (f) -> Marriott (s). 
Megson  Margaret (f) -> Meg (f, diminutive) -> Megson (surname). Not used as given name. 
Merrill 1  Muriel (f) -> Merrill (s) -> Merrill (m). 
Norris 2  Occupational surname for a wet-nurse. 
Parnell  Possibly Petronel (f) -> Parnel (f) -> Parnell (s). 
Sibley  probably derived from Sybil 
Tiffany  Theophania (f) - Tiffania (f) -> Tiffany (f) -> Tiffany (s). Not a surname-as-given-name AFAIK. 
Merle f & m  Muriel (f) -> Merrill (s) -> Merle (m). Also a girl's name derived more directly from Muriel. 
Anson m  Agnes (f) -> Anson (s) -> Anson (m). Son of Annis/Agnes. 
Baxter m  female baker 
Brewster m  female brewer 
Dwight m  Dionysia (f) -> Diot (f) -> Dwight (s) -> Dwight (m). 
Dyson m  Dionysia (f) -> Dye (f) -> Dyson (s) -> Dyson (m). Son of Dionysia. 
Edison m  Edith (f) -> Eda (f) -> Edison (s) -> Edison (m). Edith's son. (That's one possibility. Name could be derived from Adam instead.) 
Elvis m  Likely origin: Eloise (f) -> Elwes (s) -> Elvis (s) -> Elvis (m). 
Emmett m  Emma (f) -> Emmett (f, medieval diminutive) -> Emmett (s) -> Emmett (m). 
Evelyn m  Ava or Avila (f) -> Aveline (f) -> Evelyn (s) -> Evelyn (m). Not currently a common boys' given name. 
Madison m  Maud (f) -> Madison (s) -> Madison (m). Son of Maud/Matilda. 
Marion 2 m  Marion (f) -> Marion (s) -> Marion (m) 
Royce m  Rose (f) -> Royse (f) -> Royce (s) -> Royce (m). 
Royston m  Rose (f) -> Royse (f) -> Royston (s) -> m. Rose's town. 
Averill m & f  Eoforhild (f) -> Everild (f) -> Averill (s) -> Averill (m).