I am American but extremely interested and into my Irish heritage, I want a tattoo that will kind of represent my pride/loyalty in being Irish(for lack of a better way to say it). I was thinking érinn go brach worked pretty well but I am not clear on the spelling/capitalization or what font to use. Any help would be greatly appreciated with giving me ideas for the tattoo (such as a better phrase to use), refining what i suggested, and/or teaching me more about the language, I have done reasearch but i am still pretty ignorant about it and wouldn't mind learning more.

Éire go Brách would be more standard. One of the dialects (I can't remember which) uses the dative form Éirinn as the nominative as well, so it's not wrong, but "Éire" is the standard nominative form.

Redwolf

So it depends on the dialect whether you say it Éire or Éirinn? Do you know of any fonts that would be good to use for this by any chance?

Yeah, Éirinn is used in Connacht Irish.

I'm not so sure they use go brách much, though. Usually they use go deo.

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

I think they also use Éirinn in Corca Dhuibhne.
Maybe "Éire" is only Ulster (I dunno what they say in Muskerry and an Rinn), it would be funny

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Is fearr Gaeilg na Gaeltaċta ná Gaeilg ar biṫ eile
Agus is í Gaeilg Ġaoṫ Doḃair is binne

I keep seeing it as both go brách and go bragh are one of these wrong or do they mean different things?

Go brách is the Irish Gaelic spelling.

Go bragh is an attempt to spell the sound of it in English (people used to pronounce the gh as a gutteral kh /x/ in English too.)

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

Hmm.. Alright, so is it safe to say that Éire go Brách is the most common way to say it, and spell it?

If you have no connection to Connacht or Corca Dhuibhne, then Éire go Brách would probably be your safest bet, yes.

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

I plan to do more research into this to make sure of a few things but I greatly appreciate everyones help. This was by far the most helpful community I have stumbled across, thank you!!