Finn was born in Callan, County Kilkenny. He began learning the fiddle in the early 1960s. After his family moved to Ballinrobe, County Mayo in 1963, he was taken under the wing of a Christian Brothers Schoolbrother, Brother Forrestal, who trained him in the fiddle style of Sligo fiddler Michael Coleman. The Ballinrobe trio of Mickey, along with Joe Heneghan and Seamus O'Malley finished 2nd in the 1965 All-Ireland Fleadh Cheoil Finals in Thurles. Mickey also came 3rd in Ireland at the same Fleadh Cheoil finals. They had qualified from the 1965 Connacht Fleadh Cheoil finals in Foxford, Co. Mayo.
Career
In Galway in 1970, Finn played in traditional music sessions, particularly at the Cellar Bar, and became popular for his rock/traditional/jazz fusion style, never playing a traditional tune exactly the same way twice. In an interview with Kevin McGuire in the Galway Advertiser, Frankie Gavin told of the Cellar Bar sessions, believing Finn to be an influence on contemporary musicians in Galway.
Contemporaries
Finn's Cellar Bar sessions also included actor Mick Lally, who was at that time more noted for his singing than for his acting. Lally was a great singer of comedy songs in the sean-nós style. Internationally renowned Galway-born blues singer Mary Coughlan was also a close personal friend of Finn. When she recorded a version of Johnny Mulhern's `Delaney's Gone Back on the Wine' she dedicated the song to him.
Dicklerfitz
In the early 1970s, Finn joined singer and guitarist Terry Smith to form the group Dicklerfitz with flute player Mick Treacy, and later, in 1974, with multi-instrumentallist Alec Finn. Frankie Gavin took part in the group's sessions, as did Gerry Carthy, Pete Galligan, Charlie Harris, Johnny McDonagh, Sean Tyrrell, Jerry Mulvihill, and singers Dolores Keane, Mary Coughlan and Mary Staunton; from these sessions, the group De Dannan was formed. In 1976 Dicklerfitz supported Planxty in Galway.
Christy Moore
has memories of those Galway days. On listening to the Johnny Mulhern song Hard Cases, Moore remarks on his Christy-Chat website how it brought him back to the Cellar Bar days in Galway. Moore also mentions Finn in his song "Sodom & Begorrah". In August 1987, Moore dedicated "Hard Cases" to Finn, saying that going to Galway would never be the same again without Mickey.
Finn came from a musical family; his parents were accomplished piano players, his father Bill being a composer of tunes. One of Bill's tunes, which was re-arranged by Finn into a Slow-Air, became known as "Mickey Finn's Air" after Finn's death and was recorded by tin whistlerSeán Ryan for his CD Minstrel's Fancy and by Alec Finn on his CD Blue Shamrock. Bill Finn is credited on the sleeve notes of these recordings. Finn was survived by his wife Lena Ullman, who plays five-string banjo with the Americana band Moonshine, daughter Sadie; two brothers, Billy and Johnny ; and sisters, Elizabeth, Mary and Jackie.