Female Twins:
Aurora & Roxanne [Dawn]
Eve & Zoey [To Live / Life]
Corinna & Imogen [Maiden]
Haven & Willa [Safety/Protector]
Amelia & Eleanor [Classics]
Bellamy & Briar [unique names which go well]
Fiona & Pheobe [sounds like F but aren't so can have indicidual first letters]
Esmerelda & Genevieve [Fit for queens]
Others:
Margaret & Pearl [Pearl]
Susannah & Lily [[Lily]
Daphne & Laurel [Laurel]
Hannah & Grace [Grace]
Ione & Violet [Violet]
Erica & Heather [Heather]
Charlotte & Matilda
Emma & Chloe
Molly & Jessica
Daisy & Lola
Jade & Tabitha
Male Twins:
Joshua & Isaiah [God is Salvation]
Derek & Henry [Ruler of People / Home Rule]
Matthew & Theodore [Gift of God]
Crew & Camden
Lance & Giffin
Rocco & Reese [ same letter different names both 5 letters long]
Tyler & Brandon
Hunter & Mason
Kevin & Patrick
Oliver & Flynn
Jacob & Gideon
Male/Female Twins:
David & Cara [Beloved]
Beau & Calista [Beautiful]
Brendan & Sarah [Prince / Princess]
Theo & Tess
Annaliese & Arlo
Eli & Emmaline
Marina & River [Subtle water connotations]
Sienna & Grey[colour names]
Xander & Beatrix [X starting and X finishing names]
Vincent & Ivy [sutle matching of V's]
Cole & Brianna
Gavin & Alexandra
Jeremy & Nicole
Evan & Isabella
Benjamin & Emily