Máirín Uí Chéide was born in Galway, Ireland, and grew up in Ceantar na nOileán in the Conamara Gealtacht. She is a native Gaelic speaker and has continued to do so in Boston, where she has lived since 1986 with her husband Páraic and five children. She has immersed herself in the cultural and language movement since her arrival in the United States, traveling around the country teaching and performing the art of Seanós singing. She has recorded many of her songs and has a collection in Burns Library of Boston College. She has many awards from Oireachtas na Gaeilge, including the coveted Corn Uí Riada. Máirín was inducted into the North American Comhaltas Ceolteoirí Éireann Hall of Fame in recognition of her ardent championing of Irish cultural traditions. She has also taught Irish language and singing for many years to students from across the globe, maintaining the oral nature of the transmission of the culture as much as possible. She has taught music in the Archdioceses of Boston for over 25 years. She is a cofounder of Boston le Gaeilge, focusing on the spoken and written word that connects us with home and the Dorchester Irish Heritage Festival. She has presented successful Irish language radio programs both in the US and Ireland for many years. She is a frequent participant, adjudicator, and teacher in Toronto; Oireachtas Gaeilge Chanada; Seanós NorthWest, held in Olympia, Washington State; Seanós Cois Locha; Irish Arts Week; Catskills, NY; NYU Gluckman House; Silver Spring, MD; the Irish Nashville Tom Crean Festival; and the Minnesota Irish Center. She is an advocate of immigrants and has been active in political platforms for immigration reforms for all.