If you are referring to Ruth Ainsworth the children books author, she died in 1984. I had the same question as you and was disappointed when I learned this information, since her Fairy Tales series had a huge literary influence on my life as a young boy.
According to Answers.com, Ruth Ainsworth is still alive, as of 2/08.
Ruth
Samuel did not write the book of Ruth.
William Francis Ainsworth was born in 1807.
The address of the Ainsworth Public Library is: 445 North Main Street, Ainsworth, 69210 0207
Greg Ainsworth's birth name is Gregory Spence Ainsworth.
Kacey Ainsworth's birth name is Kacey Jane Ainsworth.
Leonora Ainsworth's birth name is Cornelia Leonora Ainsworth.
Sidney Ainsworth's birth name is Ainsworth, Charles Sidney.
Ainsworth Morgan's birth name is John Ainsworth Morgan.
Lexi Ainsworth's birth name is Alexandra Danielle Ainsworth.
Greg Ainsworth is 6'.