Index of Names in Irish Annals: Descriptive Bynames: Sinnach / Sionnach

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

© 2000-2007 by Kathleen M. O'Brien. All rights reserved.
Version 2.3, updated 01 June 2007

Descriptive Bynames: Sinnach / Sionnach


"[the] Fox"

NOTE: This name began as a descriptive byname but became an inherited surname.


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: 10
Found in Years: 1077, 1148, 1233, 1287, 1316, 1370, 1381, 1400, 1445, 1446, 1472, 1500

Research Notes:

Woulfe (p. 318 s.n. Mac an tSionnaig.) gives the meaning of this byname as "son of the fox".

Woulfe (p. 671 s.n. Sionnac.) gives the meaning of this byname as "son of the fox".


Further information about the byname Sinnach / Sionnach, 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.

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)
[Catharnach Sinnach]
BM1077.8Catharnach Sionnach
(d. 1148)
TT1148.4Muiredhach Sindach, rí Teftha
CSCS1148Muiridhach SinnachTethba
[Niall Sionnach Ua Catharnaigh] (d. 1233)
CM1233.5Niall Sionnach Ua Catharnaigh tighearna Fear Teathbha
[Ruaidhri Sionnach] (d. 1287)
Co1287.7Ruaidri Sinnach
LCLC1287.5Ruaidri Sindach
[Niall Sionnach] (d. 1316)
Co1316.5Niall Sinnach ri Fer Tethba
C1316.2Niall Sionnach tigherna fer t-Tethba
DM1446.4Cú Choiccriche mac Maine mic Neill Shionnaigh tigherna fer t-Teathbha
[Muircheartach Sionnach] (d. 1370)
Co1370.6Murcertach Sinnach rex Fer Tethba
LC2LC1370.4Muircheartach Sinnach, rex Fer Tethba
[Eoghan Sionnach] (d. 1381)
DM1381.15Eoghan Sionnach tanaisi Muintire Tadhgain
[Donnchadh Sionnach] (d. 1400)
Co1400.5Dondchad Sinnach tigerna Muintire Tadcan
LC2LC1400.4Dondchadh Sinnach, tighearna Muintire Tadcain
DM1400.1Donnchadh Sionnach tigerna Muintire Tadhgain
[Cú Coigríche Sionnach] (d. 1445-1446)
Co1445.5Cu Coiccriche Sinnach
DM1446.4Cú Choiccriche mac Maine mic Neill Shionnaigh tigherna fer t-Teathbha
[Maine Sionnach] (d. 1472)
Co1472.16Mane Sinnach [unrelated], tigerna Muintiri Tadgan
DM1472.15Maine Sionnach tighearna Muintire Tadhgain
(d. 1500)
U3U1500.23An Sinnach Muinntiri Tadhgain, .i. Cairpri Sinnach
DM1500.21An Sionnach Muintire Tadhccáin (Cairpre)

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