Wow! Thanks for the comprehensive reply!
Labhrás wrote:
Clós na dTiúilipí Ciúine
(genitive plural of na tiúilipí ciúine, ciúine plural of ciúin)
I'm not sure if this changes anything, but if I said that The Still Tulips Yard was a proper noun like Hudson River, would this correction still apply?
Labhrás wrote:
An Slán ina hAoibh
(ina h- = in her)
Thanks for this! I've really been wondering about how close I was. On that note, what does "An Slán í Aoibh" equate to, if anything?
Labhrás wrote:
An Léiriú as Spáinnis (if a performance in the Spanish language is meant)
or
Léiriú na Spáinnise (if the performance of the Spannish language is meant)
if the language isn't meant:
An Léiriú Spáinneach
Really appreciate these distinctions.

It's not referring to language, rather, the nationality itself, so I believe the last one covers this case.
Labhrás wrote:
Na Tithe is Gile
or
Na Tithe Atá Níos Gile
(níos can following only indefinite nouns directly: tithe níos gile = brighter houses)
Okay, cool, thanks for that bit of information!
Labhrás wrote:
either
... Oay McKesson
or
... Oay Mhic Caisín / Mhic Casáin (if "Oay" is male or female, married to a McKesson)
... Oay Nic Caisín / Nic Casáin (if "Oay" is female, daughter of a McKesson)
Awesome! I tried translating the English version to the Gaelic version, but I didn't know what that would be as Gaeilge. In this case, Mhic Caisín would be appropriate.
I ndáiríre, go raibh mile maith agat as an gcuidiú.

Cén chaoi a bhfuil mo chuid eile Gaeilge?