No, they are not related. Conchata Ferrell's parents are Mescal Loraine (née George) and Luther Martin Ferrell. Will Ferrell's parents are Betty Kay (née Overman), a teacher who taught at Old Mill School elementary school and Santa Ana College, and Roy Lee Ferrell, Jr., a musician with The Righteous Brothers.
Conchita Ferrell is Will Ferrell's mother. She was a struggling actress when, at age 24, she became pregnant from a one-night-stand with a waiter name Juan in the walk-in cooler of a Mexican bar.
Tami Roman's birth name is Tami Akbar.
Tami Hunter's birth name is Tami Horetski.
Tami Eshel Korman goes by Tami.
Will Ferrell was born John William Ferrell on July 16, 1967 in Irvine, CA to Lee and Kay Overman Ferrell. Mike Farrell (note the spelling difference) played BJ Hunnicutt on M*A*S*H. They are not related. Will's father, Lee Ferrell was a keyboardist for the "Righteous Brothers".
That was Will Ferrell!See the related Wikipedia link listed below for more information:
Tami was created in 1981.
Tami Farrell's birth name is Tami Nichole Farrell.
Tami Torok's birth name is Tamara Dawn Torok.
Tami Erin is alive.
Tami Mounsey lives in Conner Prairie, & Tami Mounsey works at the Junior High.