The lilter is the late Jimmy Ward from Miltown Malbay, County Clare also a great banjo player.
Lilting is a form of traditional celtic singing common in the Gaelic speaking areas of Ireland, and in some ways resembles scat singing and is called puirt a beul in Scottish Gaelic.
For list of All-Ireland lilting champions see here: Lilting champions
Lilting also known as Celtic Mouth Music (puirt-a-beul), diddling, jigging, chin music or cheek music.).Article on Gaelic puirt-a-beul (mouth music)
In lilting lyrics written primarily for dancing to and of secondary importance behind the rhythm and tone in the Fay, Cavan’s lilter
The lyrics in lilting are often meaningless or nonsensical. Many Gaelic singers therefore do not believe in publishing translations of lilting. The origins of lilting or puirt are unclear and may have resulted from the banning of native instruments.