Person

Alejandro O'Reilly

1723–1794 · 18th century · Also known as Alexander O'Reilly

Alejandro O'Reilly was an Irish-born general in Spanish service. In 1769 he arrived in New Orleans with troops, put down the creole Rebellion of 1768 against Spanish rule, executed its leaders and established Spanish law and administration in Louisiana before leaving in 1770. He later reformed the Spanish army and led a failed attack on Algiers in 1775.

Alejandro O'Reilly
Image: Francisco Goya · Public domain · Wikimedia Commons

Mentioned in 1 state history

See also

Cite this entry
APA
The Epoch Institute. (2026). Alejandro O'Reilly. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/alejandro-oreilly
MLA
“Alejandro O'Reilly.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/alejandro-oreilly. Accessed .
Chicago
The Epoch Institute. “Alejandro O'Reilly.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/alejandro-oreilly.
Harvard
The Epoch Institute (2026) ‘Alejandro O'Reilly’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/alejandro-oreilly (Accessed: ).

Last reviewed October 2026Random entry ↻