 That same year, he became rector of Christ Church Cathedral in Hamilton, Ontario, where he remained till 1914.Subsequently, from 1910 till 1911, he served as Dean of Niagara After arriving in the United States, Abbott became Dean of Trinity Cathedral, Cleveland, Ohio in 1914, while in 1919, he became rector of Grace and St Peter's Church in Baltimore.Between 1928 and 1929, he was rector of St Chrysostom's Church in Chicago.