Show ContentsDillan History, Family Crest & Coats of Arms

The surname is one of the Anglo-Norman names that arrived in Ireland in the wake of the 12th century invasion by Richard "Strongbow" de Clare, 2nd Earl of Pembroke. The surname Dillan belongs to the large category of Anglo-Norman habitation names, which are derived from pre-existing names for towns, villages, parishes, or farmsteads. Originally, these place names were prefixed by de, which means from in French. The name of the Dillan family comes from the name of the town of Lyon in central France. In France, the name may also have been a nickname for a fierce or brave warrior, as derived from the Old French word "lion," which meant "lion." The Irish Gaelic form of the surname Dillan is Diolún.

Early Origins of the Dillan family

The surname Dillan was first found in at Drumrany in County Westmeath (Irish: An Iarmhí) in the Irish Midlands, province of Leinster, where they were the Barons of Drumrany. The Dillon family is descended from Sir Henry de Leon, a member of a noble Breton family who came to Ireland in 1185, in the service of the Earl of Morton, who later became King John. For de Leon's service, King John granted him MacCarrons territory, part of Annaly, and other vast possessions, including a castle at Dunimon.

Early History of the Dillan family

This web page shows only a small excerpt of our Dillan research. Another 184 words (13 lines of text) covering the years 1533, 1572, 1605, 1610, 1615, 1624, 1627, 1629, 1630, 1633, 1642, 1649, 1652, 1672, 1674, 1682, 1685, 1689, 1691, 1713, 1715 and 1794 are included under the topic Early Dillan History in all our PDF Extended History products and printed products wherever possible.

Dillan Spelling Variations

Medieval scribes and church officials spelled the names as they sounded, so a name was often spelled many different ways during the lifetime of a single person. The investigation of the origin of the name Dillan revealed many spelling variations including Dillon, Delion, Dilune, Dilon, Dylon, Dillan, Dillen and many more.

Early Notables of the Dillan family

Notable amongst the family up to this time was Sir Bartholomew Dillon (died 1533), a leading Irish judge who held the offices of Chief Baron of the Irish Exchequer and Lord Justice of Ireland. Hewas born at Riverston, County Meath. Theobald Dillon, 1st Viscount Dillon (died 1624), was an Irish military commander and adventurer who claimed descent from the Anglo-Norman Henry le Dillon; Lucas Dillon, 2nd Viscount Dillon (1610-1629); Theobald Dillon, 3rd Viscount Dillon (1629-1630); Thomas Dillon, 4th Viscount Dillon (1615-1672); Thomas Dillon, 5th Viscount Dillon (d. 1674); Lucas Dillon, 6th Viscount Dillon (d. 1682); Theobald Dillon, 7th Viscount Dillon...
Another 100 words (7 lines of text) are included under the topic Early Dillan Notables in all our PDF Extended History products and printed products wherever possible.


United States Dillan migration to the United States +

Ireland experienced a dramatic decrease in its population during the 19th century. This was in a great measure, a response to England's imperialistic policies. Hunger and disease took the lives of many Irish people and many more chose to leave their homeland to escape the horrific conditions. North America with its promise of work, freedom, and land was an extremely popular destination for Irish families. For those families that survived the journey, all three of these things were often attained through much hard work and perseverance. Research into early immigration and passenger lists revealed many immigrants bearing the name Dillan:

Dillan Settlers in United States in the 18th Century
  • Anthonius Dillan, who arrived in Pennsylvania in 1744 1
Dillan Settlers in United States in the 19th Century
  • James Dillan, aged 26, who arrived in Pennsylvania in 1812 1
  • David Dillan, who landed in New York, NY in 1816 1
  • Johanna Dillan, aged 20, who landed in New York in 1849 1

Australia Dillan migration to Australia +

Emigration to Australia followed the First Fleets of convicts, tradespeople and early settlers. Early immigrants include:

Dillan Settlers in Australia in the 19th Century
  • Michael Dillan, aged 36, who arrived in South Australia in 1854 aboard the ship "Confiance" 2


The Dillan Motto +

The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.

Motto: Dum spiro spero
Motto Translation: While I have breath I hope.


  1. Filby, P. William, Meyer, Mary K., Passenger and immigration lists index : a guide to published arrival records of about 500,000 passengers who came to the United States and Canada in the seventeenth, eighteenth, and nineteenth centuries. 1982-1985 Cumulated Supplements in Four Volumes Detroit, Mich. : Gale Research Co., 1985, Print (ISBN 0-8103-1795-8)
  2. South Australian Register Wednesday 13th September 1854. (Retrieved 2010, November 5) Confiance 1854. Retrieved http://www.theshipslist.com/ships/australia/confiance1854.shtml


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