Austere and amazing. Augusta Winifred comes to mind first, but it's too clunky. Augusta needs something light. Augusta... Lydia? Augusta Julie? No, scratch that last one. There's always Augusta Jane to fall back on. Maybe... Augusta Lennox? Augusta Cleo?
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080