Robert, the Irish Airman in the Yeats poem, was the only son of Sir William & Lady Augusta Gregory of Coole park. This year, 2018, marks the centenary of Robert Gregory's death in WW1 . Robert, the Irish Airman of the Yeats poem, was the only son of Sir William & Lady Augusta Gregory of Coole park. To mark the occasion the focus of tours, at Kiltartan Gregory Museum, this year, is on the life of Robert, his death, his paintings and his family. Two open days were held at