Claim: 321 UK parliamentarians have Irish passports
Fact-check: No evidence for Irish passport numbers among MPs and peers - Full Fact
Verdict: we could find no evidence to support this, or any evidence that the data is collected. the original source appears to be an anonymous twitter account that has given contradictory and apparently false information about where the figure comes from, and which has said in the past that it sometimes makes things up.
Organisation: Full Fact
Author: Leo Benedictus
Date published: 2022-11-03T00:00:00