Tatton reminds me of tit for tat... Tatty is horrible, sorry. It's not the worst name, but I'm not a fan. I like
Phoenix, though.
I also like
Lorelei. Maeleigh reminds me of Melee (pr. May-lay), meaning:
Confused, hand-to-hand fighting in a pitched battle. A violent free-for-all. See Synonyms at brawl.
or
A confused tumultuous mingling, as of a crowd: the rush-hour melee.
not the best connotation, ever, sorry. I agree that
Hannah is overused.
Here are some alternatives to Maeleigh:
MAE:
Either a variant of
MAY, a short form of
MABEL or
MAVIS, or a feminine form of
MATTHEWtherefore...
Matilda LeighMafalda LeighMabel LeighMavis LeighAmabel Leigh (
Amabel is probably the original form of
Mabel