A vegetarian who never drank alcohol, she was also an avid cigarette smoker until well into her 90s. Meilleur was always quick to tell everyone that her grandfather once sat on Napoleon Bonaparte's knee.
On March 20, 1993, Lillian Ross died, Meilleur became the oldest living person in Canada.
On August 29, 1997, Meilleur became the 2nd verified person in history to reach age 117.
On April 16, 1998, Meilleur died, 117 years 230 days, and Sarah Knauss became the oldest living person. She died of blood clot. At the time of her death, she had 85 grandchildren, 80 great-grandchildren, 57 great-great-grandchildren, and 4 great-great-great-grandchildren.
At the time of his death in April 1998, she was the second oldest fully validated person ever, behind Calment's record of 122 years 164 days, Although Shigechiyo Izumi was still believed to be older at the time of his death. Izumi's record was withdrawn by Guinness World Records in 2010.
- Table C - World's Oldest Person (WOP) Titleholders Since 1955 Gerontology Research Group
- Photo Gallery for Supercentenarians born in the year 1880, as of August 17, 2019. Gerontology Research Group
- Craig Glenday (2011). Guinness Book of World Records. p. 211.
| Oldest Recognized Living Person
August 4, 1997 – April 16, 1998