Allison Tisdale
Vital Statistics
Title	Social Worker
Gender	Female
Status	Deceased
Cause of death	Two shots to the chest by her brother
Parents	Jonathan Tisdale (father)
Other family	Harrison Tisdale (brother)
Character Information
Appearances	"Flowers For Your Grave"
Portrayed by	Kym Jackson

Allison Tisdale was the daughter of self-made millionaire industrialist Jonathan Tisdale, and the sister of Harrison Tisdale.

She worked as a social worker in New York City, but was killed by her brother in 2009. Her murder, which was disguised as the act of a Rick Castle copycat killer, was the first case Kate Beckett and Castle investigated together. ("Flowers For Your Grave")