This feels like a fictional catholic girl Character from the mid 20th century so I'll recommend as such.
Anne Katherine *feels the most twin-ish to
Mary Elizabeth*
Anna Marie or
Anne MarieNaomi Lynn,
Naomi KayMartha Lynn,
Martha LeanneRebecca Mae,
Rebecca Judith,
RebeccaSusannah Margaret,
Susannah Barbara,
Susannah BerniceRita Kathleen,
Rita Katherine Theresa Rose,
Theresa JuneJoan Margaret,
Joan Caroline Bernadette Lynn,
Bernadette Leanne Clare Freida,
Clare Julie
Please rate my "Names I would Use" list & "Backup Favorites" list. Feel free to rate some of my other lists too if you have the time.
https://www.behindthename.com/pnl/223226/138473