Index of Names in Irish Annals: Fiachu / Fiacha

by Mari Elspeth nic Bryan (Kathleen M. O'Brien)

© 2000-2010 by Kathleen M. O'Brien. All rights reserved.
Version 2.0, updated 30 November 2010

Masculine Given Names: Fiachu / Fiacha


What we know as a set of Irish Annals are manuscripts that were each compiled during a particular time period, usually using older material as sources. For example, when the Annals of the Four Masters were written from 1632 to 1636, they covered events that occurred centuries and millenia before (including legendary history). So, when an entry in this set of annals refers to a person who lived in the year 738, the spelling used for that person's name is very likely not using the spelling that would have been used in 738.

Standard forms of this name (based on spelling systems of different periods) would be:

Frequency & Dates:

Number of men found in the annals with this name: 7
Found in Years: 501, 507, 513, 516, 517, 1042, 1066, 1155, 1527, 1578, 1580, 1585, 1592, 1595, 1596, 1597, 1601

Research Notes:


Further information about the name Fiachu / Fiacha may be found in:

The Sources page lists the Annals referenced below. Information about secondary sources is included on that page as well.

Raw Data

In the table below, I have separated individuals with a blank line. That is, when there are multiple entries in the annals that refer to a single person, those entries are grouped together.

Within the list of entries refering to a single person, I have sorted the entries primarily by orthography when it is obvious that what I am seeing is the same entry showing up in multiple annals. The entries that tend to use older spellings are listed first.

Special factors which may affect name usage are marked in the context column.

ANindicates a member of an Anglo-Norman family
ASindicates an Anglo-Saxon
Nindicates a Norseman
Pindicates a Pict
Rindicates a person holding a religious office
Sindicates a person from Scotland

NOTE: The Annals referenced below under the code letters A, B, C, E, & F tend to use later spellings than the other Annals. In some cases, the spellings listed in these Annals may not be appropriate for the year referenced in the Annal entry.

In some Gaelic scripts, there is a character that looks approximately like a lowercase f, but without the crossbar. This character (represented by an underscored , e, in the entries below) sometimes represents e and sometimes ea depending upon the context of the text.

[Standardized form of this man's name]
AnnalsEntryContextCitation (formatting preserved)
(d. ?)
AM501.2Fiachaidh, mac Nell
AM501.2Fiacha, mac Nell
II513.1Fiacha mc. Neill
UU516.1Fiacha m. Neill
AM507.2f-Fiachaidh mac Néll
UU517.3Fiachaidh mc. Neill
(d. 1042)
BM1042.7Fiacha ua Maoil Mordha primh-sruith Ereann
(d. 1066)
BM1066.3RFiacha Ua Riacáin, airchindeach Cluana Boirenn
(d. 1155)
BM1155.10Fiacha, mac Cethernaigh Uí Cheirín, tigherna Ciarraighe Locha na n-Airne
(d. 1527)
EM1527.7Fiacha Mhag Eochagáin
(d. 1597)
EM1578.16Fiacha mac Aodha, mic Remainn, mic Seain
LCLC1580.3d'Fiacha mac Aedha mic Sedhain mic Remaind
EM1585.8Fiachaidh mac Aedha, mic Seain mic Domhnaill Ghlais
FM1592.8Fiacha mac Aodha
FM1595.1Fhiachach mic Aodha
FM1595.1chloinn Fiachach mic Aodha
FM1596.17Fiacha mac Aodha, mic Seain
FM1597.6Fiacha mac Aodha mic Seain
(d. ?)
EM1601.2Mac Dauid, Fiacha, mac Hobeird Buidhe, mic Uilliam mic Tomais

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