Matt Molloy / Christy McNamara

Matt Molloy, flute / [unidentified photographer]

Matt Molloy, flute, 2011 / Danny Diamond

Matt Molloy, flute, and John Carty, fiddle, 2011 / Danny Diamond

Matty Connolly and Joe Madden / Unidentified photographer

Maud Millar / transcribed by James Morrison

Maureen Cronin, accordion / Máire O’Keeffe

Maureen Jelks / Ken Garland

Maureen Jelks / Unidentified photographer

Maurice Lennon / Peter Laban

Maurice Leyden / Ken Garland

May McCarthy, uilleann pipes / unidentified photographer

Mazie McCarthy, dancer, & others / unidentified photographer

McCarthy sisters playing on the radio, 2013 / Tony Kearns, photographer

Méabh Ní Bheaglaoich / Manuela Dei Grandi

Méabh O’Hare, Ceoltóir Óg na Bliana 2000 / TG4 photographer

Members of the Irish Musician's Association NYC, 1960s / Unidentified photographer

Members of the Kilfenora Ceili Band and others / Tony Kearns

Messrs. Simon’s 1st set of quadrilles, cover

MFV Ros Éinne coming ashore, with Maidhlín Mhaidhcilín Seoighe astern and his fellow crewm...

Michael Byrne, spoons / Ann Lane

Michael Carney / Unidentified photographer

Michael Coleman / Unidentified photographer

Michael Coleman, 78rpm label