Shield: | Azure a fess chequy Argent and Sable between six cross-crosslets fitchée three in the chief and three in the nombril points Or and three billets two in the honour and one in the base points of the second. |
Crest: | A dexter hand couped above the wrist and erect Proper grasping a crescent Or. |
Motto: | Exegi; An Honest Man’s The Noblest Work of God.[1] |
The Lees Baronetcy, of Blackrock in the County of Dublin, was created in the Baronetage of the United Kingdom on 30 June 1804 for the soldier and politician John Lees.
The heir presumptive is the present holder's cousin Trevor John Cathcart d'Olier-Lees (born 1961).