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Current Irish Marquessates

Conyngham, Marquess of (I, 1816)

Donegall, Marquess of (I, 1791)

Downshire, Marquess of (I, 1789)

Ely, Marquess of (I, 1800)

Hamilton, Marquess of (I, 1868) - the marquessate has been held by the Dukes of Abercorn since 1868, when the 2nd Marquess of Abercorn was created Marquess of Hamilton and Duke of Abercorn

Headfort, Marquess of (I, 1800)

Kildare, Marquess of (I, 1761) - the marquessate has been held by the Dukes of Leinster since 1766, when the 1st Marquess of Kildare was created Duke of Leinster

Londonderry, Marquess of (I, 1816)

Sligo, Marquess of (I, 1800)

Waterford, Marquess of (I, 1789)

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