Lucius O'Brien, 13th Baron Inchiquin

[1] He was born at Dromoland Castle in 1800, the eldest son of Sir Edward O'Brien, 4th Baronet and Charlotte Smith.

[2] In 1826, he replaced his father as Tory Member of Parliament for Clare, but was unseated in 1830 by the Whig candidates.

During the same year, his brother William Smith O'Brien, a Liberal, led an abortive rebellion and narrowly escaped hanging.

In 1855, he inherited the title of Baron Inchiquin from his ninth cousin, the last Marquess of Thomond, and was confirmed in this right by the Lord's Committee of Privileges in 1862.

O'Brien married in 1837 Mary FitzGerald, daughter of William FitzGerald of Adelphi and Corofin, and together they had six children: After the death of his first wife, he re-married in 1854 Louisa Finucane, daughter of Major James Finucane, and had another seven children:

Sir Lucius O'Brien painted about 1840 by Stephen Catterson Smith
Sir Lucius O'Brien with his second wife Louisa Finucane