I'd never thought of using
Mae (I'd go for
May) as a nn for
Mavis. What a good idea!
Nancy Jane is epic.
Nancy seems to have a dowdy, down-market aura in the US, but I've always found it fascinating and well worth following up. Likewise
Betsy.
That said,
Winter Hazel Patricia seems very ... different; not to say, discordant. No two are alike.