Findings:
- James Hamilton, 3rd Marquess of Hamilton
- Marquess of Hertford
- William Petty Fitzmaurice, 1st Marquess of Lansdowne
- Charles Watson-Wentworth, 2nd Marquess of Rockingham
- Marquess of Bath
- Marquess of Tavistock
- Marquess of Huntly
- Marquess of Abercorn
- John Augustus Hervey, 7th Marquess of Bristol
- Marquess of Lansdowne
- Francis Rawdon-Hastings, 1st Marquess of Hastings
- Henry Petty-FitzMaurice, 3rd Marquess of Lansdowne
- Henry de la Poer Beresford, 3rd Marquess of Waterford
- Robert Gascoyne-Cecil, 3rd Marquess of Salisbury
- Marquess of Londonderry
- Henry Paget, 2nd Marquess of Anglesey
- Marquess of Montrose
- Archibald Campbell, Marquess of Argyll
- James Graham, 1st Marquess of Montrose
- John Jeffreys Pratt, 1st Marquess Camden
- Marquess Camden
- William Saville, 2nd Marquess of Halifax
- Marquess of Halifax
- Marquess Grey
- Marquess of Normanby
- George Nugent-Temple-Grenville, 1st Marquess of Buckingham
- Marquess of Buckingham
- Robert James Gascoyne-Cecil, 7th Marquess of Salisbury
- Marquess of Powis
- Richard Macduff
- Macduff
- Marquess
- Marquess of Queensbury
- Marquess of Kent
- Marquess of Salisbury
- Marquess of Dorset
- Marquess Townshend
- Marquess of Worcester
- Marquess of Lothian
- Marquess of Anglesey
- Marquess of Douglas
- MacDuff (user)
- Marquess of Hamilton
- George Gordon, 1st Marquess of Huntly
- Marquess of Winchester
- John Manners, Marquess of Granby
- James Andrew Ramsay, 1st Marquess Dalhousie
- Marquess of Ormond
- Marquess of Exeter
- William Douglas, 1st Marquess of Douglas
- Marquess of Rockingham
- William Paulet, 1st Marquess of Winchester
- Marquess of Bristol
- Robert Stewart, 2nd Marquess of Londonderry
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