I didn't make a separate category for unusual M names, because a lot of the names in the frilly and strong categories are unusual. Some seem strong and frilly at the same time, too.

Frilly:
Madelina
Marguerite
Marian/Mariana
Maribel
Marietta
Marilyn
Marina
Medora
Melisande
Mirabel
Mireille (meer-ay)

Strong:
Maeve
Maia
Margaret
Marguerite
Marian
Mary (and it's unusual today)
Matilda
Maude
Medora
Milena

I don't have very many M names, so bear with me, lol:

Madounia
Mae
Makenna
Mandolin
Marcheline
Margot
Marilyn
Marin
Maristella
Mina
Mirabelle
Mirjam

megan
maureen
mary
madeline
miley
molly

I don't have very many M-names & I'm not sure as to which are strong, frilly, or unusual, so I'll just list them shortly here .

Meredity (Merry)
Madison (too popular, I know... still love it)
Marieke
Mieke
Micki (OK this is definitely 'strong')
Mirjam
Mackenzie
Marielle
Margaret - Meg

Megan
Melinda
Molly
millie
melina
Maddie
Mia or mya
menzie

There all Cute:)

We named our baby girl Mylee.

Mable
Maggie
Maple
Margo/Margaux
Marigold
Matilda
Meadow
Merry
Milly
Miriam
Mollie
Mona
Moira (Moy-rah)
Myra

Miranda

Maisy
Marissa
Marleina

mira
mardhia (mar-dee-ya)
malini

=)

My favourite M names are Madeline, Mila (prn. MY-LAH) and Maisy, but I also like Molly!

Madeline
Milly
Maria
Mari
Maranda
Maisy
Malissa
Mira
Myra

My little girl is called Mika

Mila
Mildred "Millie" (also nn for Camille, Amelia)
Matilda
Mia