In 1887, John Bartholomew's Gazetteer of the British Isles described Cilowen like this:
Cilowen, place, St Asaph par., NW. Flintshire.
This is the only descriptive gazetter entry we have found, but you may be able to find further references to Cilowen by doing a full-text search here.
Sorry, but no mentions of this place can be found.
This website includes two large libraries, of historical travel writing and of entries from nineteenth century gazetteers describing places. We have text from these sources available for these places near your location:
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