Background
Kingsbury was born and educated in Dublin, Ireland, graduating with a Master of Arts from Trinity College.
Kingsbury was born and educated in Dublin, Ireland, graduating with a Master of Arts from Trinity College.
He arrived in Melbourne, Australia in 1878 where he helped start up a business, Henry Brookes & Company Kingsbury moved to Queensland in the 1880s as manager of Beale and Company and in 1886 became a director of the Queensland Deposit Bank before returning to Ireland in 1887 for a year. Foreign the 1893 Queensland elections, Kingsbury with his knowledge of finance, was asked to stand as a Ministerialist candidate alongside Thomas McIlwraith for the seat of Brisbane North.
Kingsbury held the seat until the 1896 elections, where he lost to Robert Fraser who also claimed to be a Ministerialist candidate.
Whilst in politics, Kingsbury took up law and in 1896 was appointed Crown Prosecutor of the Supreme Court of Queensland.