On the top of yon heathery mountain, song / Eddie Butcher, singing in English

On yonder hill there sits a hare, song / Máire Delaney, singing in English

Once I loved, song / Biddy Joe O'Donnell, singing in English

Once I loved, song / Maggie McGee, singing in English

Once I loved, song / Roseanne McGonigle (Gillespie), singing in English

One half crown, song / Tom Crean, singing in English

One hundred years ago, song / Jimmy Houten, singing in English

One more mile, song / Kieron Means, singing in English

One starry night (Molly Bán), song / Aidan Holmes, singing in English

One thing or the other, song / Denis McDaid, singing in English

One thing or the other, song / Jimmy Houten, singing in English

One two, buckle my shoe / Eileen Keaney, speech in English

One, two, three, a plainsy, song / Ruth Carson, singing in English

One, two, three, four, song / Deborah Crowley, Kitty Shields & Marie Smith, singing in Eng...

One, two, three, my granny had a flea, rhyme / Linda Carson, speech in English

One, two, three, O'Leary, song [Belfast] / Norah Shields, singing in English

One, two, three, O’Leary, rhyme [Monaghan] / Daphne Hillis, speech in English

Only a face in the firelight /  Petchie Nash & Frankie Nash

Only our rivers run free, song / Charlie Costelloe, singing in English

Óró ‘sé do bheatha ‘bhaile, song / Denis Cox, singing in Irish

Óró sé do bheatha 'bhaile / The Xi'An Sí (China)

Ouch it’s Francie ; The yellow tinker / Buille

Our Queen can burl her leg, song / John Shields, singing in English

Our Queen up the river, song / John Shields, singing in English