For racing in Europe, they operated the 1,200 acre Gilltown Stud in Kilcullen, County Kildare, Ireland near the famous Curragh which they sold in 1989 to the Aga Khan IV for $14.2 million.
At a natural bowl-shaped amphitheatre on the Curragh known locally as Donnelly's Hollow the Irish champion boxer Dan Donnelly defeated the English champion George Cooper in 1815, before a large crowd.
It remained in the Holt area until May 1918 when it went to Ireland with the 2nd Cyclist Brigade and was stationed at the Curragh and Mullingar until the end of the war.
The Curragh plain in Ireland was chosen as the departure point, but the Shamrock never got that far, ditching in the Irish Sea due to engine failure on the way to Ireland on 18 April 1919.
After the War he became Commander of the Amiens Sub Area of France and then became Brigade Major for 14th Infantry Brigade in Curragh in 1922 before becoming a General Staff Officer at the Staff College, Camberley.
The Curragh plains were later used as a location to recreate the Battle of Stirling Bridge in Mel Gibson's 1995 film Braveheart.
He was educated at Patrician College, Ballyfin, County Laois; and University College Galway where he received a Bachelor of Arts degree in Economics and Legal Science, and at the Military College, Curragh.
Despite these transferees, the Division and its battalions consisted of Irishmen (apart from the 10th Battalion Hampshire Regiment) The 7th Battalion Royal Dublin Fusiliers had just started forming up in August at Naas in Ireland and presumably Horace proceeded there to commence his training at the Curragh in County Kildare.
In the early years, Army regiments stationed in Ireland entered teams such as King's Own Rifles (Cork), three of which reached the final: the Gordon Highlanders in 1890, the Black Watch (Limerick) in 1892 and the Sherwood Foresters (Curragh, County Kildare) in 1897.
'The fall' came in the form of initiation in carnal pleasure with the actress Nellie Clifden, as arranged by junior officers at the Curragh.
Irish writer Patricia Aakhus wrote a novel recounting the story in 1990, entitled, The Voyage of Mael Duin's Curragh.
In 1976 he joined Tim Severin in a transatlantic voyage in a replica 6th century leather-hulled curragh named Brendan.