Taken and Available.

[strange_case]

Taken:

Cosette Pontmercy
Christine Daae
La Sorelli
Various Tolkien Women
Elizabeth Bennet
Dorian Gray (not that I thought about it)

Available:

Millicent Bulstrode (underage)
Alan(na) (underage)
Elphaba Thropp (unless she is with Erik and Christine is with Raoul)
Meg Giry (underage)

Everyone else I either haven't met, or haven't tracked down appropriate gossip on yet. That must go on my to do list.