Glennan Coat of Arms Record & History

A record of documented arms, meaning and origin, researched for the Glennan family of Ireland.

Reg. 4965 · Irish, G–I

Coat of Arms & Family Crest Details

Where the Glennan Arms Were Recorded

Mayo
Map of Ireland showing where the Glennan arms are recorded

The Glennan arms were recorded in Mayo, c. 1645.

Mayo was poor western Irish country of bog and mountain, held by a small number of old families. Land changed hands rarely there, and families who held on appear in the records.

This is where the arms were entered in the register. Families often moved to other parts of the country, so the same name can turn up in more than one region.

Region
Mayo
Town
Tyrawley
First recorded
1645

Granting Authority for the Glennan Arms

Arms of Ulster King of Arms
Ulster King of Arms Sodacan · CC BY-SA 3.0
Authority

Ulster King of Arms

1552-1943

The body that granted and recorded arms in Ireland in this period.

Portrait of Charles I of England
Charles I of England
Sovereign of the period

Charles I of England

1625–1649

Reigning in Ireland when the Glennan arms are first recorded.

How Arms Worked in Ireland

The Ulster King of Arms granted coats of arms to individuals who proved their social standing and good character. These symbols were typically inherited by all legitimate descendants of the original holder. If a family branch wanted a unique look, they could apply for a specific change to their design through the office to ensure their identity remained distinct.

Granting authority
The Ulster King of Arms acted as the official body that regulated and issued all coats of arms throughout Ireland.
How they got arms
Families obtained their arms through formal grants issued by the office after proving their eligibility and paying the required fees.
Where arms were recorded
All official grants were recorded in the registers held by the Ulster King of Arms starting from the year 1552.
The family's standing
Recorded among the armigerous families of Mayo.

Origin & History of the Glennan Family in Ireland

The family name Glennan is deeply rooted in the rugged landscape of County Mayo, where records confirm the presence of the family as early as 1645. The name is an anglicized version of the Gaelic surname Mac Giolla Fhionnáin, which translates to the son of the follower of Saint Finnian. During the seventeenth century, families in this region often lived in tight-knit rural communities that relied on cattle farming and small-scale agriculture to survive. The political instability of the 1640s, marked by the Irish Confederate Wars, forced many families to adapt to changing land ownership and shifting local power structures. By remaining in Mayo during this turbulent era, the early members of the Glennan family helped preserve their cultural identity and linguistic heritage despite the pressures of colonial expansion.

Related Branches & Arms

Root word
Gleann

A valley or narrow dale between mountains.

This name
GlennanDerived from the Irish Gaelic Mac Gleannáin, signifying a descendant of the valley dweller.
also spelled
Glennan
Glinnon

Documented Sources

Sir Bernard Burke, The General Armory of England, Scotland, Ireland and Wales, London: Harrison & Sons, 1884

Woulfe, Patrick, Sloinnte Gaedheal is Gall: Irish Names and Surnames, 1923

National Archives of Ireland, Civil Survey of 1654-1656

MacLysaght, Edward, The Surnames of Ireland, 1985

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