Gallagher Last Name Origin, History, and Meaning
Where did the surname Gallagher come from? What does the surname Gallagher mean? Discover the history and meaning of the last name Gallagher and family migration on YourRoots Map.
Gallacher, Gallager, Gallaher, Gallahue, Gallaugher, Galleher, Galligher, Galliher, Gallihugh, Gollaher, Golliher
Surname Gallagher Origin: What does the last name Gallagher mean?
Gallagher is an Irish surname that originates from the noble Gallagher family of County Donegal, Ireland. The anglicized version of the name "Gallagher" is pronounced differently in various regions of Ireland and outside the country. It is derived from the Irish surname Ó Gallchobhair, with at least 30 recorded alternate variants such as O'Gallagher, Gallacher, and Gallaher. The earliest recorded mention of the name dates back to a manuscript fragment in the Royal Library of Brussels, with further references in historical records dating to the 10th century.
YourRoots data indicates that the Gallagher surname first appeared in records from Ireland in the early 13th century, with a significant increase in records during the 17th and 18th centuries. By the 19th century, the United States surpassed Ireland in terms of Gallagher surname records. Today, the Gallagher surname is widespread and can be found in several countries, illustrating its global reach and enduring legacy across different regions and cultures.
Gallagher Last Name History: Where did the last name Gallagher come from?
Origin of Gallagher Surname: Where does the last name Gallagher originate from?
YourRoots data indicates that the surname Gallagher first appeared in records from Ireland in the early 13th century. This data is based on the exact spelling of "Gallagher" and does not account for other record sources or variations of the surname.
History of the Last Name Gallagher: What does the Gallagher surname history look like in the early days?
The Gallagher surname remained predominantly associated with Ireland from the 13th to the 16th century, according to YourRoots data. During this period, the surname also started to appear in England, suggesting the beginning of its global spread.
Global Spread: Where can we find the Gallagher surname today?
The volume of records featuring the Gallagher surname significantly increased in Ireland during the 17th and 18th centuries. By the 19th century, the United States surpassed Ireland in terms of Gallagher surname records. Today, the Gallagher surname is widespread and can be found in several countries, such as the United States, United Kingdom, Australia, Canada, New Zealand, South Africa, among others. This illustrates the global reach of the Gallagher surname in contemporary times.
Explore Gallagher last name heritage and Gallagher surname origin based on YourRoots Map data

Famous People With Gallagher Surame?
Liam Gallagher
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Noel Gallagher
Noel Thomas David Gallagher (born 29 May 1967) is a famous English musician and songwriter known for his work with the rock band Oasis and Noel Gallagher's High Flying Birds. He is considered one of the most influential songwriters in British rock music history, with numerous number-one singles and albums to his name.
Peter Gallagher
Peter Killian Gallagher (born Aug 19, 1955) is an American actor known for his roles in The O.C., Law & Order: SVU, and Grace & Frankie. He also starred in films like American Beauty and Mr. Deeds. Gallagher has a background in musical theater and has received awards for his work in entertainment.
Aidan Gallagher
Aidan Gallagher (September 18, 2003 - ) is an American actor and musician known for his roles in Nickelodeon's "Nicky, Ricky, Dicky & Dawn" and Netflix's "The Umbrella Academy." He is also a UN Environment Goodwill Ambassador for North America and advocates for environmental issues.
David Gallagher
David Lee Gallagher (Feb 9, 1985) is an American actor and former model known for his roles in popular series like "7th Heaven" and the "Kingdom Hearts" video game franchise. With a Cuban and Irish heritage, Gallagher has also been a supporter of Autism Speaks.
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