Letters patent issued on Tue 8th Oct 1726

To Thomas Pitt

A peerage of the Kingdom of Ireland , during the reign of George I

Previously known as Lord Londonderry in the Peerage of the Kingdom of Ireland.

Ordinality on date:

Person prefix:

Person suffix:

Previous of title: false


  1. Viscount Gallen-Ridgeway
  2. Earl of Londonderry


Peerage, p. 11