She was born on February 6, 1936, in Bangor, Maine, the daughter of Gordon Somers and Marion Daily Somers.
Tretha is survived by her children Elaine Leone-Canfield of Rocky Hill, Tracy Leone-Roy of Colchester, Mark Leone of New London, and Todd Leone of Rocky Hill; grandchildren Ashley Canfield of Rocky Hill, Matthew Canfield of Florida, and Heather Roy Howes of Colchester; sister Sandra Somers Johnston of Mystic; sister-in-law Joyce Perkins Somers of Maine; several nieces and nephews. She was predeceased by her brothers Gordon, David, James, and Douglas Somers.
Burial will be at a later date in Maine.