Oh wow, I've not encountered
Rigmor before. It reminds me of Rigor Mortis.
Thora Rigmor Ena sounds like she's the front singer of a heavy metal band who enjoys foraging for mushrooms with her grandmother in her spare time.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080