The following musicians played in one or more orchestras in DYO and have gone on to successful professional careers.

Lists of former players who are now professional musicians


Catriona Ryan

Principal Flute, RTÉ NSO


Peter Whelan

bassoon, Scottish Chamber Orchestra


John Hearne

bassoon, professional freelance


Siobhan Ni Ghriofa

violin, RTE Concert Orchestra


Sarah McMahon

‘cello, Calino Quartet


Richard Sweeney

‘cello and early music, professional freelance


Suzanne Brennan

clarinet, professional freelance


Jeffrey Ledwidge

clarinet, now professional bass baritone


Robert Mahon

violin, deputising NSO and teacher


Feargal O’Dornain

professional freelance


Aoife Dowdall

violin, RTÉ NSO


Maeve Shiel

double bass, professional freelance


Conor O’Riordan

tuba, RTÉ Concert Orchestra


John Ryan

horn, London Symphony Orchestra


Eoin Quinlan

‘cello, freelance professional and teacher


Laoise O’Brien

flute and recorder, professional freelance


Ruth Hickey

clarinet, professional freelance


Mark Downes

trombone, Garda Band


Sarah Moffat

violin, professional freelance, London


Daire Halpin

flute, professional soprano


Tara Lee Byrne

‘cello, professional freelance London


Peter Gahan

horn, professional band – Copper Heads


Roddy O’Keeffe

trombone, teacher and manager IYWE


Diarmuid Frain

percussion, Garda Band


Cuan Barra O’Seiridan

horn, professional, Germany


Kate Hearne

‘cello, professional, early music


Paula Hughes

‘cello, professional freelance


Aoife Durnin

violin, professional


Nicky Sweeney

violin, Irish Chamber Orchestra


Clare Cherry

‘cello, runs her own music school


Eimear Saunders

double bass and oboe, teacher


David Collins

trumpet, professional freelance


Colm Byrne

trumpet, RTÉ NSO


Gavin Moloney

violin, conductor, RTÉ NSO and RTÉ Concert orchestra


Eimear O’Brien

horn, teacher and orchestra manager


Alice Nolan

flute, professional freelance


Niall Harvey

trombone, Army Band, southern command