Ship arrival and departures (SAD) data in Lloyd's List and other newspapers carry mentions.

Napoléon and Impériale, with a large number of privateers and some troops aboard then sailed to Dominica where they captured a British vessel.

Duke of Montrose succeeded in bringing Impérial to action and about 45 minutes of exchange of fire ensued.

[3] In his letter reporting the action, Admiral Alexander Cochrane, commander of the Leeward Islands Station, mentioned that "[T]he Captain of the Duke of Montrose Packet deserves great Credit for his Exertions".

[4] Duke of Montrose, White, master, sailed from Falmouth on 31 December 1806, bound for New York.

Homeward bound, she left Halifax, Nova Scotia, on 25 March, and arrived back at Falmouth on 15 April.

[5] On 13 April 1807 Duke of Montrose arrived at Falmouth, having left New York on 13 March and Halifax on the 25th.

[6] 1st capture: In November Duke of Montrose, Donelely, master, sailed for the West Indies.

On 12 December she was 200 miles to windward of Barbados where she encountered the French privateer Confiance, of 5 guns and 85 men.

[7][8] HMS Eclair captured the merchant vessel Grand Duc de Berg on 27 September 1808 and brought her into Plymouth on 4 October.

Grand Duc de Berg was the former Duke of Montrose, and was coming from Guadeloupe with a valuable cargo.

[12] Duke of Montrose, "Blauvelt", master, left Falmouth on 11 March 1811, bound for New York.

Duke of Montrose arrived at Rio de Janeiro on 25 July and left on 14 August.

2nd capture: During the War of 1812 the British Admiralty wrote to the United States Government that Great Britain would not accept as valid cartel agreements made on the high seas.

There the British government refused to recognize the cartel agreement that Blewett, his crew, and passengers had signed.

Rather than turn Duke of Montrose over to the Agent for American Prisoners, the British government instructed Blewett to resume command of his ship and prepare her to sail again.

[13] The day before her capture, Duke of Montrose had repelled an attack by an American privateer schooner of 14 guns after a two-hour engagement.

3rd capture: Acting Captain John Forester (or Foster) sailed from Falmouth on 28 July 1813, bound for Brazil.

On 12 December the French frigates Sultana and Étoile captured Duke of Montrose at 33°36′N 23°57′W / 33.600°N 23.950°W / 33.600; -23.950,[15] after a five-hour chase.

Her captors threw Duke of Montrose's guns, ammunition, and stores overboard and then allowed her to sail to England.

John Vivian, her captain, was senior to Forester in the Packet Service so he took command of Duke of Montrose.

[d] Hotspur found her plundered, all but two of her guns thrown overboard, with her sails set, but her rudder free so that she drifted at the mercy of wind and waves.