Names from historical writing:

The following appear as names for Carmarthen. Follow the links for what the author actually said:

Name Author Source
CAER FIRDHIN William Camden Britain, or, a Chorographicall Description of the most flourishing Kingdomes, England, Scotland, and Ireland (London: George Bishop and John Norton, 1610).
CAERMARDDIN Gerald of Wales The Itinerary of Archbishop Baldwin through Wales (Oxford, Mississippi, 1997).
CAER MARDEN William Camden Britain, or, a Chorographicall Description of the most flourishing Kingdomes, England, Scotland, and Ireland (London: George Bishop and John Norton, 1610).
CAERMARDIN Gerald of Wales The Itinerary of Archbishop Baldwin through Wales (Oxford, Mississippi, 1997).
CAERMARDYN Gerald of Wales The Itinerary of Archbishop Baldwin through Wales (Oxford, Mississippi, 1997).
CAERMARTHEN John Bartholomew Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887).
Daniel Defoe A tour thro' the whole island of Great Britain, divided into circuits or journies (London: JM Dent and Co, 1927).
Thomas Pennant The Journey from Chester to London (London: Wilkie and Robinson, 1811).
Charles Wesley The Journal of the Rev. Charles Wesley (London: Hutchinson & Co., 1849).
CAER MERDIN William Camden Britain, or, a Chorographicall Description of the most flourishing Kingdomes, England, Scotland, and Ireland (London: George Bishop and John Norton, 1610).
CARMARTHEN John Bartholomew Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887).
John Marius Wilson Imperial Gazetteer of England and Wales (Edinburgh: A Fullarton & Co., 1870-72).
CARMARTHEN OR CAERMARTHEN John Bartholomew Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887).
KAER VYRDHIN Daniel Defoe A tour thro' the whole island of Great Britain, divided into circuits or journies (London: JM Dent and Co, 1927).
MARIDUNUM William Camden Britain, or, a Chorographicall Description of the most flourishing Kingdomes, England, Scotland, and Ireland (London: George Bishop and John Norton, 1610).
John Marius Wilson Imperial Gazetteer of England and Wales (Edinburgh: A Fullarton & Co., 1870-72).
MURIDUNUM William Camden Britain, or, a Chorographicall Description of the most flourishing Kingdomes, England, Scotland, and Ireland (London: George Bishop and John Norton, 1610).

NB: These variant names come from our collections of historical travel writing and descriptive gazetteers: