Manus O'Cahan

Manus O'Cahan's Regiment of Foot was an Irish regiment which served during the Wars of the Three Kingdoms in the mid-1640s.

Manus O'Cahan's Regiment of Foot was a body of soldiers, many of who fought in Europe in the early years of the Thirty Years War. Historians such as C. V. Wedgwood refer to them as a 'Gallowglass' (i.e. mercenary) regiment. They were actually soldiers who sailed from Ireland to Scotland to fight for the Royalist cause there. Manus O'Cahan (Irish: Maghnus Ó Catháin) never set foot in England; all of his fighting took place in Ulster and Scotland. Their European combat experiences made them some of the most experienced soldiers serving in the Civil War.

Some of the men involved appear in a letter contained in the Ormond papers in the National Library of Ireland entitled "List of men gone unto the Isles. Sent by the Lord of Antrim to my Lord Ormonde, 15 Nov. 1644". The text reads:

A breefe note of Collonell O Cahan's regiment:

Collonnell Cahan's own company consisting of 100 men complete.

Officers Lieftennant Cnogher O Cahan

Ancient Dualtagh Mac Duffy

Sargeants of the company Owen O Cognoghor and Hugh Mac Cormacke

Lieftennant Collonnell Donnaghe O Cahan's company consisting of 100 men complete.

Officers Lieftennant Shane O Cahan

Ancient John Cooper

Sarjeants of the company Bryen Oge Mac Cormacke and William Oge Mac Cormacke

Sarjeant-Major Ledwitch his company consisting of 100 men complete.

Officers Lieftennant James Dease

Ancient Bartholomew Newgent

Sarjeants of the company Tohill Moddirrt Mac Illrey and John That.

Captain Art O Neale's company consisting of 100 men complete.

Officers Lieftennant Con O Neale

Ancient Bryen O Neale

Serjeants Hugh Oge Lavery and Hary O Muldowne

Captain John Mortimer's company consisting of 50 men complete.

Officers Patricke O Mallen, Lieftennant

Phelim O Donnelly,

Ancient Daniel Mac Duffy and James O Mulhollan, Sargeants.

Captain Rowry Duffe O Cahan's company consisting of 50 men complete.

Officers John Mac Guyer, Lieftenant

Donnagh O Cahan, Ancient

Edward Keltey and Terlagh Mac Cana, Serjeant .

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