Admiral James O'Brien, 3rd Marquess of Thomond, GCH (1769–1855), styled Lord James O'Brien from 1809 to 1846, was a British naval officer and Chief of Clan O'Brien.

From Wikipedia (CC BY-SA 4.0).

On IJR

No public IJR answers mention James O'Brien, 3rd Marquess of Thomond yet. As people ask about it and share their answers, they'll appear here.

Facts from Wikidata (CC0).

Overview

Admiral James O'Brien, 3rd Marquess of Thomond, GCH (1769–1855), styled Lord James O'Brien from 1809 to 1846, was a British naval officer and Chief of Clan O'Brien.

From Wikipedia (CC BY-SA 4.0).