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Who is the oldest person to ever live in Ireland?

According to the Gerontology Research Group (GRG), Ireland has two distinct record holders for longevity. The oldest person born in Ireland was Kathleen Snavely, who reached 113 years and 140 days, while the oldest person to die within the country was Katherine Plunket, at 111 years and 327 days. The answer to who is the oldest person to ever live in Ireland depends on whether you consider birth location or place of death.