Mary Ann Kennedy was born and brought up in Glasgow in a Gaelic-speaking household. Her father was from the Isle of Tiree, and her mother, Kenna Campbell, one of the Campbell family of Greepe in the Isle of Skye, a family of singers and pipers.
She has produced records by, among others, James Graham, Donnie Murdo MacLeod, Ceolraidh Gaidhlig Ghlaschu, Ailie Robertson, Catriona Watt, Atomic Piseag, Shona Mooney, Bannal, Cliar, and Jenna Cumming. Mary Ann presents radio shows including Mary Ann Kennedy's Global Gathering on BBC Radio Scotland, 'World on 3' on BBC Radio 3, and BBC Radio nan Gaidheal, and television programmes on BBC Scotland/BBC Alba and BBC Four. She runs the residential recording and creative facility, Watercolour Music Studios, with her husband Nick Turner from their base near Fort William in the West Highlands.