Marchioness Wellesley initially sailed as a country ship, remaining east of the Cape of Good Hope.

Then, as a pilot schooner was towing her to Diamond Harbour to effect repairs she wrecked between Channel Creek and Culpee, where her crew abandoned her.

The initial report, in the India Gazette of 13 August stated that it was hoped that a good part of her cargo could be saved, as well as some of her materials and stores.

The Surgeon pointed out that she had stopped at Île de France for only a few days [leaving on 29 August] and had not acquired much fresh food.

[9] Marchioness Wellesley first appeared in Lloyd's Register (LR) in 1815 with J.Barker, master, Hunter & Co., owner, and trade London–Fort William, India.

Lloyd's List (LL) reported in November 1817 that Marchioness Wellesley, Maxwell, master, had run ashore in the Bengal River and had had to put back to repair damages.