Among those who came to St. John with Simonds and White in April, 1764, none was destined to play a more active and useful part than young Jonathan Leavitt. He was a native of New Hampshire and at the time of his arrival was in his eighteenth year. Young as he was he had some experience as a mariner, and from 1764 to 1774 was employed as master of one or other of the Company's vessels. He sailed chiefly between St. John and Newburyport, but occasionally made a voyage to the West Indies. He received the modest compensation of L4 per month for his services. In the course of time Mr. Leavitt came to be one of the most trusted navigators of the Bay of Fundy and probably none knew the harbor of St. John so well as he. In his testimony in a law suit, about the year 1792, he states that in early times the places of anchorage in the harbor were the flats on the west side between Fort Frederick and Sand Point, which were generally used by strangers, and Portland Point where the vessels of the Company lay. It was not until, 1783 that vessels began to anchor at the Upper Cove (now the Market Slip), that place being until then deemed rather unsafe. Jonathan Leavitt and has brother Daniel piloted to their landing places the transport ships that carried some thousands of Loyalists to our shores during the year 1783. Jonathan Leavitt gives an interesting synopsis of the business carried on at St. John under the direction of Simonds and White: "The Company's business included Fishery, Fur trade, making Lime, building Vessels and sawing Lumber, and they employed a great number of laborers and workmen in cutting wood, burning lime, digging stone, cutting hoop-poles, clearing roads, clearing land, curing fish, cutting hay and attending stock. The workmen and laborers were supported and paid by the partnership and lived in the outhouse and kitchen of the house occupied by Simonds and White. There was a store of dry goods and provisions and articles for the Indian trade." When he was at St. John, Leavitt lived in the family of Simonds and White who lived together during the greater part of the ten years he was in the Company's employ, and when they separated their families he staid sometimes with one and sometimes with the other. Simonds and White were supplied with bread, meat and liquors for themselves and families from the store, and no account was kept whilst they lived together, but after they separated they were charged against each family; the (workmen also were maintained, supported and fed from the joint stock of the store, as it was considered they were employed for the joint benefit of the company, but liquors and articles supplied on account of their wages were charged against the individual accounts of the men. Part of the workmen and laborers were hired by William Hazen and sent from Newburyport, others were engaged by Simonds and White at the River St. John.