There must be many more of these, but I can find these in my dictionary of Irish:

chómh bán le bairlín - as white as a sheet
chómh bán le cailc - as white as chalk
chómh bán le marmar - as white as marble
chómh bán le holann - as white as wool
chómh bán le sneachta - as white as snow
chómh bodhar le cloich - as deaf as a post (literally: as a stone)
chómh bodhar le slis - as deaf as a post (literally as a beetle, a wooden instrument)
chómh buí le prás - as yellow as brass
chómh caol le gáinne - as slender as a rush (= as straight as an arrow)
chómh díreach le gáinne - as straight as a rush
chómh dall le caoch an mhargaidh - as blind as a bat (literally: as the blind man at the market)
chómh dána le muic - as bold as a pig (= as bold as brass)
chómh dearg le caor - as red as a berry
chómh dearg le corcar - as red as purple dye
chómh díreach le riail - as straight as a ruler
chómh dubh le sméar - as black as a berry
chómh dubh le tóin an chorcáin - as black as the bottom of the pot
chómh folláin le bun daraí - as healthy as an oak stump
chómh geal le mustairt - as white as worsted
chómh geal le sneachta - as white as snow
chómh glic le mada rua - as cunning as a fox
chómh leibhéalta le clár - as flat as a board
chómh marbh le hArt - as dead as a doorknob (literally: as mythological king Art)
chómh mílítheach le cailc - as white as a sheet (literally: as pale as chalk)
chómh mór le broc - as big as a badger

daltaí.com also has a full alphabetical list of similes from a-u, but obviously you have listed some separate ones which they have not included.

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I'm an intermediate speaker of the Corca Dhuibhne dialect of Irish and also have knowledge on the old spelling
Soir gaċ síar, fé ḋeireaḋ thíar

Liosta a'msa a bhailigh mé ón leabhar Seanfhocla Chonnacht: https://gaeilgechonamara.com/similes-na-gaeilge/

Those are great. Chómh críonna leis na cait- I like this one.