She was born March 21, 1906, in Toledo, Ohio, to Daniel and Theresa (Tarnotise) Istnes. She was married to Russell Valentine for 39 years, until his death Jan. 7, 1994.
Lydia was a baker at Schock Bakery for 15 years and was a baby-sitter and housekeeper for the Frank North family.
Lydia is survived by stepchildren Lois and Lawrence; several step-grandchildren and many nieces and nephews.
She was preceded in death by her husband, Ray; her parents; six sisters; and stepchildren Jeri, Datha, Dale, Howard, Gerald and Paul.
Funeral services were Wednesday at Weigel Funeral Home in Swanton. Interment followed in Lyons Cemetery.
Memorial contributions may be made to St. Richard Catholic Church or Swanton Health Care and Retirement Center.