Harp was produced at Dundalk after Guinness converted the site to lager production; production later moved to Dublin. (Historic / brand active elsewhere)
One tap, no account
Had Harp Lager? Stamp it.
Opens the Passport with this beer already stamped — no login, no searching for it again.
01
Follow the money
Who owns this beer
The archive holds no parent company for Great Northern Brewery (Dundalk) — it is recorded as macro-owned, and the direct company relationship is not yet resolved.
Not established
Ownership has not yet been established for this brewery. That is a gap in the research, not a finding of independence.