Just listened back, nice job! The first link in the first post doesn't work, not sure if I'm looking in the right place, but I did a bit of a write up for the brewery in Leixlip and sent it to Barry last July, not sure if it got included:
Location of Leixlip brewery
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maps.osi.ie/publicviewer/#V2,700579,735903,11,4">
maps.osi.ie/publicviewer/#V2,700579,735903,11,4
At 27, in 1752, Arthur Guinness's godfather Arthur Price, the Church of Ireland Archbishop of Cashel, bequeathed him £100 in his will. He invested the money and in 1755 had started brewery at Leixlip along with his brother Richard. Arthur was from Celbridge but may have chosen Leixlip partly because Bishop Price was buried in the church grounds just 100 metres from where he started the brewery on Main Street.
In 1757, he also bought the lease of the site where today we find the Mall along Main Street. He designed it to be tree-lined and set back from the road, similar to the northern part of what is Dublin’s O’Connell Street, but was known then as the Mall. Arthur would continue his involvement in streets-scape design when he moved to Dublin.
Water for the brewery was sourced from wells beneath Main Street, and table porter would have been the main brew.
The brewery itself was designed in the fashionable courtyard style, backing out onto the river Liffey (which had a mill race at that time) and would have had views of Leixlip Castle at the confluence of the Rye Water and the Liffey.
In 1758 Arthur moved to St. James's Gate but Richard stayed on an ran the brewery for another 8 years.
Today the brewery buildings are incorporated into the Courtyard Hotel, which was opened by Desmond Guinness, of the same family, and who has lived in Leixlip Castle since 1958.
Post-script: Kildare Co Co published this leaflet which I'm pretty sure is wrong. According to a local historian "Castleview" was a saw mill before being a residential house (Richard lived there for a time). The courtyard style building a few doors down, which the owners of the hotel claim was the original brewery, is far more plausible.
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kildare.ie/tourism/Guinness.pdf">
kildare.ie/tourism/Guinness.pdf