|Birth:||27 September 1879|
Hampshire, Massachusetts, USA
|Death:||30 November 1989|
|Age:||110 years, 64 days|
Ida Isabel Alligier (27 September 1879 – 30 November 1989) was a validated American supercentenarian. She was born in Hampshire County, Massachusetts, to parents Clement Charles Alligier and Anne Elizabeth (née Pinch) Alligier. Clement immigrated from France when he was 17 years old.
She worked as a cook in a boarding school in Lapwai, Idaho. She eventually quit her job when her parents needed caring. Her parents and four of her siblings lived to be 90+. She never married. Her height, when aged, was 4 feet 8 inches tall. She was still physically active well into her 90s. Alligier died on 30 November 1989, at the age of 110 years, 64 days.