Below is a list of all the Marquessates within my database. Please feel free to let me know if any information I am missing or is incorrect. You can contact me at kcrossno at seekingallancestors.com.

1. Marquessates beginning with A, ie. Ailesbury, Anglesey
2. Marquessates beginning with B, ie. Bath, Bristol, Bute
3. Marquessates beginning with C, ie. Cholmondeley, Conyngham
4. Marquessates beginning with D, ie. Donegall, Downshire
5. Marquessates beginning with E, ie. Exeter
6. Marquessates beginning with G, ie. Graham, Granby
7. Marquessates beginning with H, ie. Hamilton, Hertford, Huntly
8. Marquessates beginning with K, ie. Kildare, Kintyre
9. Marquessates beginning with L, ie. Lansdowne, Londonderry, Lothian
10. Marquessates beginning with M, ie. Milford Haven, Montrose
11. Marquessates beginning with N, ie. Northampton
12. Marquessates beginning with O, ie. Ormonde
13. Marquessates beginning with P, ie. Pembroke, Powis
14. Marquessates beginning with Q, ie. Queensbury
15. Marquessates beginning with S, ie. Salisbury, Sligo
16. Marquessates beginning with T, ie. Tavistock, Tweeddale
17. Marquessates beginning with V, ie. Vila Viçosa
18. Marquessates beginning with W, ie. Waterford, Winchester, Worcester