Tanyo Sortyn was a Betazoid serving in Starfleet during the 24th century.
She was born on April 26, 2347, on the Betazoid colony of Darona to a pair of farmers.
She grew up around raising animals and operating heavy duty agricultural equipment, showing a knack for maneuvering them as well as keeping the machines well maintained.
She enrolled in Starfleet Academy at the age of 17, graduating in 2369 and was assigned to the USS Musketeer as a member of the light cruiser's navigation department.
She was promoted to lieutenant junior grade in 2371.
In 2372 she transferred from the USS Musketeer to the USS Lionheart as Assistant Navigation Officer. ("New Blood")
The following year she was promoted to Lieutenant and Navigation Officer. ("Risan Holiday")
She was killed in action on the USS Lionheart during the combined Starfleet/Klingon Defense Force assault on the Dominion's Torros III Shipyard. ("Declaration")
She was posthumously awarded the Starfleet Service Award. ("Wake")
Her remains were interred at the small cemetery on her family's farm.
Seff O'Rourke would visit her gravesite in 2377. ("Walkabout")