Tammy is a diminutive of Tamar — from the Hebrew *Tamar* ("palm tree"). **A top-15 US baby name from 1965 to 1971, peaking at #11 in 1967** — popularized by the 1957 film *Tammy and the Bachelor* starring Debbie Reynolds. **Tammy Duckworth (born 1968)** — Thai-American US Senator from Illinois; **first Asian-American senator from Illinois, first US Senator born in Thailand, first woman with a disability elected to Congress** (lost both legs as a Black Hawk helicopter pilot in Iraq, 2004). **Tammy Faye Bakker (1942-2007)** — American televangelist and pop-culture icon. **Tammy Baldwin (born 1962)** — first openly lesbian US Senator (Wisconsin, 2013).
Subject of Michael Showalter's *The Eyes of Tammy Faye* (2021 film) starring Jessica Chastain.
Tammy reduces to one — the number of palm tree.