Johann von O'Brien
Johann Freiherr von O'Brien Earl of Thomond | |
|---|---|
| Born | 1775 near Karánsebes, Banat |
| Died | September 5, 1830 (aged 54–55) Pest |
| Allegiance | Austrian Empire |
| Rank | Major General |
| Unit | 33rd Infantry Regiment; Kerpen Infantry regiment; Lower Austrian 49th Infantry Regiment |
| Commands | 1st Battalion (1809) |
| Battles / wars | Battle of Schwarze Lackenau Battle of Aspern-Essling |
| Awards | Military Order of Maria Theresa (Knight's Cross) |
| Memorials | O'Brien Monument (Jedlesee) O'Brien-Gasse (Floridsdorf, Vienna) |
| Alma mater | Neustädt Academy |
Johann Freiherr von O'Brien, Earl of Thomond (1775–1830), was an Austrian Major General with Irish ancestry, most noted for leading an action in the Battle of Schwarze Lackenau near Jedlesee, 1809, north of Vienna, against a superior force of Napoleon's troops in preparation for their defeat by Archduke Charles in the Battle of Aspern.