Colonel Heatlicote singularly enough was Mayor of the City of New York in 1711 to 1714 at the same time that his elder brother Gilbert was Lord Mayor of London. He was one of the strongest and most active Churchmen of his day. To him was the Church of England in New York and in Westchester County indebted for its foundation and growth more than to any other one man. He formed an organization of a few churchmen in the City of New York termed the Managers of the Church of England in New York, of which he was the chairman.

This was the body which took the earliest steps to establish an English Church in that city which eventually became the well known " Parish of Trinity Church," subsequently the Mother Church of all the earlier churches in the city and to a large extent of those in the State of New York. Heathcote was the moving spirit and the active man in the whole movement, a fact which being fully admitted by them has drawn down upon him the ire of many writers of dissenting bodies of Christians. He also was the leading man in founding the parishes of Westchester East Chester, and Rye, in the County of Westchester to all of which he contributed his efforts and his means. His Manor of Scarsdale and Mamaroneck formed one of the precincts of the Parish of Rye,-

1 On the 2d of December, 1708, at the rerinest of Gilbert and his brothers, these arms were confirmed, with the change of the shield from argent to ermine, by the Herald's College of England.