

She has received a number of Canadian music awards, including several "Artist of the Year" awards from the East Coast Music Association, two Juno Awards for best instrumental album, and "Fiddler of the Year" from the Canadian Country Music Association. She performed two songs with the trio: "C-H-I-C-K-E-N" and "Grandpa's Farm". In 2004, MacMaster appeared on Sharon, Lois & Bram's 25th Anniversary Concert special titled " 25 Years of Skinnamarink" that aired on CBC on Januat 7:00pm. In recent years she has expanded her musical repertoire, mixing her Cape Breton roots with music from Scotland and Ireland, as well as American bluegrass. In 1999, she performed at the Juno Awards show in Hamilton. Both albums were initially released only on cassette, but Rounder Records omitted a few tracks and re-released as A Compilation in 1998. Her first album was self-produced, while her second was co-produced by John Morris Rankin ( The Rankin Family) and Tom O'Keefe (as per original cassette jacket). When she was sixteen she released her first album, Four on the Floor, and a second album, Road to the Isle, followed in 1991. MacMaster began playing the fiddle at the age of nine, and made her performing debut the same year at a square dance in Glencoe Mills, Nova Scotia. Leahy and MacMaster have seven children, and have performed and recorded together as a duo, and occasionally include their children, who also play fiddle, in their performances. In 2002, she married fiddler Donnell Leahy of the Leahy family band, and moved to Lakefield, Ontario. She is also distantly related to Jack White.

She is the niece of the late renowned Cape Breton fiddler Buddy MacMaster and the cousin of two other fiddlers, Ashley MacIsaac and Andrea Beaton. MacMaster is the daughter of Alex and Minnie (née Beaton) MacMaster and the sister of Kevin and David MacMaster. MacMaster & Donnell Leahy performing together at the 2018 Burlington's Sound of Music Festival
