These names are from a list of 6000 names given to Finnish children (aged 1 to 10 years old). Some of the names may seem ordinary to Anglophones, but in Finland they're still considered rare and/or unique.
Maahi
Madalin
Magid
Mahamed / Mohamamd /
Mohamed /
Mohammad /
Mohammed /
Muhammad /
MuhammedMahdiMahirMaid
Maikel / Maikl
Maiko
MainioMairo
Mak
MakarMaksim /
Maksym /
MaximMaksimilian /
Maksymilian /
MaximilianMaksimus /
MaximusMalikMalteMaltti - means "temper", "patience" and "composure" in Finnish
Malual
Manne
ManuManuelManu-Santeri
Manu-Veikka
MarcMarcelMarcoMarcos /
Marcus / Markkus
MarekMarian-Leonard
MarioMariusMarkMarko-Junior
Marko-Mairo
Marlo
MarlonMaro
Marouan
Mart
Marten / Martten
MartiMártonMarttias
Marvel
MarvinMasaMasi
Masi-Armas
MasonMaster
MateoMateusz /
MatteusMatheo /
Mathéo / Mattheo
Mathias /
Matthias /
MattiasMathisMatrik
Mats / Matts
Matte
MatthewMatti-Peter
Mattis
Matvei / Matvej /
MatveyMaunuMaunus
MauroMax-Johan
MehrabMelkerMelvin / Melwin / Melwyn
Mendy
Menni
Menos
Meo / Méo
Merko
MertMertsi
Metavee
Mica / Miica
Micael /
Michael / Miikael / Miikkael
MicaiahMicci / Mici /
Mickey /
Miki /
MikkiMichalMickMicke / Mikke
Mickel /
MikkelMick-William
Miclas / Miklas /
MiklosMico / Miiko / Miko
Micos / Mikos
Micu / Miiku
Migo
Miguel / Miqel /
MiquelMihaiMihailMihka
Mihkal-Máhte
Mihkel
Mihkku / Mihku
Miiha
Miika-Akseli
Miika-Matti
Miike
Miikka
VilleMiilo /
MiloMiio /
MioMiiro /
MiroMiitri
Miitro / Mitro
Mikail /
MikhailMika-Pekka
MikelisMiki-Matias
MikitaMikk-Martin
Mikkomatti
Mikko-Niiles
Mikko-Oskari
Mikko-Uljas
Miklo
Miko-Matias
Miko-Matti
Miks
Miksu / Mixu
MikuMikus
Milad
MilanMiliam
Milian
MilkoMilon
MiloszMilou
MiltonMimer
MinhMinh-Danny
Mino
Mino-Samuel
Mio-Miklas
Mio-Myrsky
Mirco /
MirkoMiro-Matias
MironMiroslavMirzaMisa
Misca /
MiskaMiso
MitjaMoaz
Mobarak
Mon
Mooses
MorganMorrisMortaza
Mortti
Mosku
Mostafa /
MustafaMuMuaz
Mubemihkkal
Muhittin
MusaMusse
Myrsky - means "storm" in Finnish
Måns
Mårten