Randal William MacDonnell, 1st Marquess of Antrim
The Marquess of Antrim  | |
|---|---|
| Born | Randal William MacDonnell 4 November 1749  | 
| Died | 29 July 1791 (aged 41) Antrim House, Merrion Square, Dublin  | 
| Spouse | 
 Hon. Letitia Morres Trevor 
      (m. 1774; died 1791) | 
| Children | Anne MacDonnell, 2nd Countess of Antrim Lady Letitia Mary MacDonnell Charlotte MacDonnell, 3rd Countess of Antrim  | 
| Parent(s) | Alexander MacDonnell, 5th Earl of Antrim Anne Plunkett  | 
| Relatives | Frances Vane, Marchioness of Londonderry (granddaughter) Hugh McDonnell, 4th Earl of Antrim (grandson)  | 
Randal William MacDonnell, 1st Marquess of Antrim KB PC (Ire) (4 November 1749 – 29 July 1791) was an Irish peer.