Uladh the gaelic spelling for the territory of the U-Nail chieftains in the ancient Irish province of Ulster (English/Norse), originally the counties of Down and Antrim, but now including Derry, Armagh, Tyrone, Fermanagh, Donegal, Cavan and Monaghan, also referred to as Ulidia (Greek/Roman),.
Uladh was the home of a pre-celtic, cruithne (crew-en-ya) pictish tribe, who may have been descendants of prehistoric tribes indigenous to the British Isles since the retreat of the last ice age.
Archeological finds date first inhabitants to about 6,000 BC and trade goods from Rathlin Island, County Antrim off the northeast coast of Ireland made from porcellanite stone appearing in Egypt and Crete by 2,500 BC.
The early tribes of Ireland where displaced by later waves of migrants from mainland Europe; about 1700 BC by bronze age tribes, celtic tribes about 500 BC, and in the past two millenia; Roman trading posts, Viking settelments, English plantations...
SV Ulladh (for vhf clarity I use "sailing vessel ul-la") is named for the territory of the first peoples to settle in Ireland after the retreat of the last ice age.
Since 1949 Fisksatra Varv in the coastal town of Fisksatra Sweden, built fiberglass boats from dinghies to a 300 ton minesweeper for the Swedish Navy.
The Havsfidra 20's were built between 1968 and the late 1970's to Swedish Navy and Lloyd's certification standards.
The Havsfidra 20 and a larger version the Storfidra 26 where sold in the United States by Continental Yachts and Trawler Agency of Atlantic City NJ.
(fidra; to touch or tickle with a feather -Icelandic-English Dictionary, Clarendon Press 1874)