Arbuthnot was ordained a priest at Limerick on 2 November 1794, made vicar of Annaghdown and Killascobe in 1801 and rector of Crossboyne and Kilcoleman in 1808.
The Reverend Arbuthnot received his ordination as a priest at Limerick on November 2, 1794. He was subsequently appointed to the roles of vicar for Annaghdown and Killascobe in 1801 and rector for Crossboyne and Kilcoleman in 1808.