What is the origin of the last name Mcmanus?

The last name McManus has its origins in Ireland, specifically in the province of Ulster. It is derived from the old Gaelic name Mac Maghnuis, which means "son of Magnus." Magnus was a Latin name that was introduced to Ireland by the Vikings. The McManus surname is primarily found among people of Irish descent and is a testament to the historical interactions between the Irish and Viking cultures in the early medieval period.

Countries of origin for the last name Mcmanus

The last name McManus is a surname of Irish origin. It is an anglicized form of the Gaelic name Mac Mánais, which translates to “son of Manus.” Manus is a given name that is derived from the Irish word “mánach,” meaning monk.

The McManus name is predominantly found in Ireland, particularly in the province of Ulster. It is most common in the counties of Monaghan, Tyrone, Fermanagh, and Donegal. This suggests that the McManus family has deep roots in these areas.

As with many Irish surnames, the spelling and pronunciation of McManus have varied over time. Different branches of the family may spell it with a single ‘n’ (McManus) or with a double ‘nn’ (McMan(n)us). This variation can be attributed to differences in dialect and regional pronunciation.

The surname McManus is indicative of the family’s association with St. Manus, a 6th-century Irish saint. According to legend, St. Manus was the son of an Irish king who renounced his royal status to become a monk. He established a monastery on an island in Lough Erne, County Fermanagh, which became an important religious site. It is believed that some individuals with the surname McManus may be descendants of St. Manus or have ancestral ties to his monastery.

Genealogical research suggests that the McManus family may have originated from the ancient Irish kingdom of Airgíalla. This kingdom encompassed parts of modern-day County Monaghan and County Armagh. The McManus clan likely emerged as a distinct familial group within this region and eventually spread to other parts of Ireland.

Throughout Irish history, the McManus surname has been associated with notable individuals. In the early 19th century, Rory McManus served as a captain in the United Irishmen during the Irish Rebellion of 1798. His involvement in the rebellion illustrates the McManus family’s participation in key events of Irish history.

The meaning of the McManus surname extends beyond its historical and geographical associations. It symbolizes a connection to Irish heritage, a sense of belonging to a specific clan or family lineage. The name evokes the traditions, cultural values, and ancestral ties of the McManus family.

In conclusion, the last name McManus is an anglicized form of the Gaelic name Mac Mánais, meaning “son of Manus.” It is predominantly found in Ireland, particularly in the provinces of Ulster. The McManus surname is linked to St. Manus and his monastery, suggesting ancestral ties to this religious figure. With its rich history and geographical associations, the McManus name represents a sense of Irish heritage and family lineage.

Interesting facts about the last name Mcmanus

  • The surname McManus is of Irish origin.
  • It is derived from the Gaelic name “Mac Maghnuis,” which means “son of Manus.”
  • The name Manus itself is derived from the Latin name “Magnus,” meaning “great.”
  • The McManus surname is fairly common in Ireland, particularly in the province of Ulster.
  • The surname can also be found among Irish diaspora communities around the world, particularly in the United States, Canada, and the United Kingdom.
  • McManus is often used as both a surname and a given name, with many individuals being named McManus as a way to honor their family heritage.
  • The name McManus has been spelled and pronounced in various ways over the years, including variations such as MacMahon, MacManus, McMenamin, and MacManes.
  • There are several notable individuals with the surname McManus, including famous athletes, musicians, and authors.
  • The McManus family name has a rich history in Ireland, with many stories and legends associated with it.
  • Genealogical research and DNA testing have provided valuable insights into the origins and migrations of the McManus surname.

Name Rank


There are around 23909 people with the last name Mcmanus in the US

Related Names

    Related Regions