But she wasn't on top for long. Valentim has now been officially added to the list, according to the Gerontology Research Group. Supercentenarians are those who the group has confirmed have lived at least 110 years.
At 114 years and 265 days old, Cooper currently resides in Monroe.
Although she may have slid into the second-place spot among the world's oldest, there's one title that still belongs to Cooper.
She's the Oldest Living North American.