An American privateer captured her but then released her in April 1814.

She disappeared, presumed foundered with the loss of all hands, after having been last seen in December.

The American warship Rattlesnake captured Henry Dundas on 31 April 1814, but released her after Rattlesnake had divested Henry Dundas of the most valuable part of her cargo.

[3] Henry Dundas departed on 4 December from Portsmouth, Hampshire, for São Miguel Island, Azores.

The Register of Shipping continued to carry her, with unchanged information, till at least 1820.