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"YNYS-CYNHAIARN, a parish in the hundred of Evionydd, county Carnarvon. The parish includes the market town of Tremadoc, and the bathing-place of Portmadoc, which latter is a subport to Carnarvon. The surface is hilly, and there are mines of copper and slate. The population of the parish in 1861 was 3,138. The living is a perpetual curacy* annexed to that of Criccieth. The church is dedicated to St. Cynhaiarn." [From The National Gazetteer of Great Britain and Ireland (1868) - Transcribed by Colin Hinson ©2003]

Business and Commerce Records

Lloyd Griffith collection of Ellis R. Williams, of Pwllheli - details of extant records on Archives Network Wales
 " ........including papers relating to the Golden Fleece Inn, Tremadoc, 1854, 1897-1970....."


You can also perform a more selective search for churches in the Ynyscynhaiarn area that are recorded in the GENUKI church database. This will also help identify other churches in nearby townships and/or parishes. You also have the option to see the location of the churches marked on a map.

Church History

Rees, Thomas & John Thomas. Hanes Eglwysi Annibynnol Cymru (History of the Welsh Independent Churches), 4 volumes (published 1871+). Here is the entry from this book for Tabor,Ynyscynhaiarn   chapel (in Welsh ) - with translation by Eleri Rowlands (Jan 2011)         Also Porthmadog chapel   - with translation by Eleri Rowlands (Dec 2010)                  Also Morfa Bychan chapel  - with translation by Eleri Rowlands (June 2009)         Also Borth chapel - with translation by Eleri Rowlands (June 2009) 

Church and chapel data from The Religious census of 1851 : A Calendar of the returns relating to Wales, Vol 11, North Wales. Ed. by Ieuan Gwynedd Jones, UWP, 1981. The names given towards the end of each entry are those of the informants.

Ynys-cynhaiarn Parish; Statistics; Area 6546 acres; Population 1061 males, 1286 females, total 2347

  • The Returns for this District are missing

Description and Travel

You can see pictures of Ynyscynhaiarn which are provided by:



Portmadoc (Porthmadog) records - details of extant records on Archives Network Wales    "Papers of W. A. Madocks [who] enclosed 1,000 acres of Traeth Mawr in order to build the town of Tremadoc, which he named after himself."
"Include; .......... a 'statute book' of the 'Ancient and Renowned Borough of Tremadoc', 1805-1810, with an account of the Tremadoc Ball and Hunt; together with records from the Harbour Office, Porthmadog, including account books and registers of Portmadoc harbour, 1824-1917......"

Historical Geography

You can see the administrative areas in which Ynyscynhaiarn has been placed at times in the past. Select one to see a link to a map of that particular area.


You can see maps centred on OS grid reference SH562400 (Lat/Lon: 52.938061, -4.141251), Ynyscynhaiarn which are provided by:

Gwynedd Family History Society  have a diagram of the ecclesiastical parishes of Caernarfonshire (under Parishes)  - with some links to photographs of parish churches

Merchant Marine

Hughes, Emrys and Aled Eames.   Porthmadog Ships   Caernarvon 1975