Giolla Íosa Mac Fir Bisigh
Encyclopedia
Gilla Isa Mac Fir Bisigh (died 1301) was an Irish
historian
, poet
, mathematician
and astronomer
.
Sub anno 1301, the Annals of Connacht
record the death of Gilla Isa Mac Fir Bisig, ollam
of the Ui Fiachrach
Muaide, a master of history and tales and poetry, of the Computus
and of many other arts.
His family, the clan Mac Fhirbhisigh, were at the time resident in what is now County Mayo
. His father was Gilla Isa Mor Mac Fir Bisigh. Other notable members of his family were
Irish people
The Irish people are an ethnic group who originate in Ireland, an island in northwestern Europe. Ireland has been populated for around 9,000 years , with the Irish people's earliest ancestors recorded having legends of being descended from groups such as the Nemedians, Fomorians, Fir Bolg, Tuatha...
historian
Historian
A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is...
, poet
Poet
A poet is a person who writes poetry. A poet's work can be literal, meaning that his work is derived from a specific event, or metaphorical, meaning that his work can take on many meanings and forms. Poets have existed since antiquity, in nearly all languages, and have produced works that vary...
, mathematician
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....
and astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
.
Sub anno 1301, the Annals of Connacht
Annals of Connacht
The Annals of Connacht, covering the years 1224 to 1544, are drawn from a manuscript compiled in the 15th and 16th centuries by at least three scribes, all believed to be members of the Clan Ó Duibhgeannáin....
record the death of Gilla Isa Mac Fir Bisig, ollam
Ollam
In Irish, Ollam or Ollamh , is a master in a particular trade or skill. In early Irish Literature, it generally refers to the highest rank of Fili; it could also modify other terms to refer to the highest member of any group: thus an ollam brithem would be the highest rank of judge and an ollam rí...
of the Ui Fiachrach
Uí Fiachrach
The Uí Fiachrach were a dynasty who originated in, and whose descendants later ruled, the coicead or fifth of Connacht at different times from the mid-first millennium onwards. They claimed descent from Fiachrae, an older half-brother of Niall Noigiallach or Niall of the Nine Hostages...
Muaide, a master of history and tales and poetry, of the Computus
Computus
Computus is the calculation of the date of Easter in the Christian calendar. The name has been used for this procedure since the early Middle Ages, as it was one of the most important computations of the age....
and of many other arts.
His family, the clan Mac Fhirbhisigh, were at the time resident in what is now County Mayo
County Mayo
County Mayo is a county in Ireland. It is located in the West Region and is also part of the province of Connacht. It is named after the village of Mayo, which is now generally known as Mayo Abbey. Mayo County Council is the local authority for the county. The population of the county is 130,552...
. His father was Gilla Isa Mor Mac Fir Bisigh. Other notable members of his family were
- Amhlaoibh mac Fir Bhisigh, fl. c. 1200.
- Domhnall na Sgoile Mac Fir Bhisigh, fl.c. 1250.
- Giolla Íosa Mór Mac Fhirbhisigh fl. 1390–1418.
- Dubhaltach MacFhirbhisigh, died 1671.