The number of Americans seeking Irish citizenship through ancestry jumped 63 per cent last year, as the Trump administration’s harsh rhetoric and policies fuelled demand for “plan B” passports.
Official figures shared with the FT show US applications to Ireland’s Foreign Birth Register (FBR) — a citizenship route for people with Irish grandparents or parents — increased from 11,601 in 2024 to 18,910 in 2025, the highest figure since digital records began in 2013.
Lawyers said the Trump administration’s tough stance on issues such as immigration and transgender rights had driven a growing number of Americans to start contingency planning.