Lucy Hannah is the third-oldest verified person behind the supercentenarian who was of what nationality, the second-oldest in the world's history?
American
Sarah Knauss
Sarah DeRemer Knauss (née Clark; September 24, 1880 – December 30, 1999) was an American supercentenarian.
 Knauss is the oldest person ever from the United States, as well as the second-oldest fully documented person ever behind Jeanne Calment.
 She was recognised as the world's oldest living person by Guinness World Records from April 16, 1998, until her death.
Lucy Hannah
Lucy Hannah (née Terrell; July 16, 1875 – March 21, 1993) was an American supercentenarian.
 Hannah is the oldest African-American person ever, the second-oldest person ever from the United States and the world's third-oldest verified person ever, after Jeanne Calment and Sarah Knauss.
 She is also the oldest person to never have held the title of the world's oldest living person, since Jeanne Calment, who was about five months older, was still alive at the time of Hannah's death.
Kama Chinen
Kama Chinen (知念 カマ , Chinen Kama , 10 May 1895 – 2 May 2010) was a Japanese supercentenarian, who, at the age of 114 years, 124 days, became the oldest validated living person when American supercentenarian Gertrude Baines (born 6 April 1894) died on 11 September 2009.
 She died on 2 May 2010, eight days before her 115th birthday.
 At the time of her death, she was the second oldest verified Japanese person ever (behind Tane Ikai) and the oldest verified person ever from Okinawa. Chiyono Hasegawa
Chiyono Hasegawa (長谷川 チヨノ , Hasegawa Chiyono , 20 November 1896 – 2 December 2011) was a Japanese supercentenarian.
 Aged 115 years, 12 days at the time of her death, she was the oldest verified person in Japan (since the death of Kama Chinen on 2 May 2010).
 She was the 2nd oldest verified living person in the world behind American woman Besse Cooper. Gertrude Weaver
Gertrude Weaver (née Gaines; July 4, 1898 – April 6, 2015) was an American supercentenarian.
 She was born in Lafayette County, Arkansas, near the border with Texas and Louisiana.
 She became the oldest living person in the United States upon the death of Dina Manfredini on December 17, 2012.
 She became the oldest living person in the world on March 31, 2015 (US Central Time) following the death of Misao Okawa in Osaka, Japan early on April 1, 2015 (GMT +9); she remained so until her own death five days later.
 At the time of her death she was the seventh-oldest person ever verified and the third oldest person ever verified from the United States (after Lucy Hannah and Sarah Knauss). Dominga Velasco
Dominga Velasco or Dominguita (May 12, 1901 – October 11, 2015) was a Mexican-American pioneer, Latino activist, and a Mexican-born American supercentenarian.
 She is the oldest verified person ever born in Mexico.
 She was the world's seventh-oldest living person, the second-oldest person living in the United States (behind Susannah Mushatt Jones) and the oldest living resident of California at the time of her death. Mary Josephine Ray
Mary Josephine Ray (née Arsenault; May 17, 1895 – March 7, 2010) was a Canadian American supercentenarian.
 At the time of her death, she was the world's second-oldest verified living person behind Kama Chinen of Japan, who was only one week older than Ray.
 After the death of Gertrude Baines on September 11, 2009, Ray became the oldest person living in the United States. Joan Riudavets
Joan Riudavets Moll (15 December 1889 – 5 March 2004) was a Spanish supercentenarian who, at the time of his death, was believed to be the oldest verified person ever in the history of Spain.
 However, subsequent research by the International Database on Longevity has revealed that there were two women who were older than Riudavets at the time of their deaths.
 He became the oldest recognized living person in Europe following the death of Italian Maria Teresa Fumarola Ligorio on 14 May 2003, and oldest recognized living man in the world following the death of Japanese supercentenarian Yukichi Chuganji on 28 September 2003. Eugénie Blanchard
Anne Eugénie Blanchard (16 February 1896 – 4 November 2010) was a French-Saint Barthélemy supercentenarian, who at the age of was the oldest living person at the time of her death.
 She became the recognised title-holder upon the death of Japanese supercentenarian Kama Chinen on 2 May 2010.
 At the time of her death , Blanchard was the 3rd oldest verified French person ever and the oldest verified person ever from the island of Saint Barthélemy (administratively and legally a part of Guadeloupe from 1878 until 2007), which is an overseas collectivity of France. Besse Cooper
Besse Berry Cooper (née Brown; August 26, 1896 – December 4, 2012) was an American supercentenarian who was the world's oldest living person from June 21, 2011, until her death.
 She was, at the time of her death, the eighth oldest verified person ever and the eighth person verified to have lived to the age of 116.