Their parent show was a hit, so the powers that be thought we would surely love to see them have their own shows (and sometimes we did). Know of more, drop me an email.

Benson:  Robert Guillaume starred in this 1979-86 spin off from the popular show SOAP.
Checking In: This short lived 1981 spin off from the Jefferson's had maid Florence Johnston working at a fancy hotel.  The show was cancelled after a few episodes and Florence came back to work on the Jefferson's until the end of that shows run.
Dirty Sally: This was a short live series from 1974 starring Dack Rambo and Jeanette Nolan  and was a spin off from the highly successful "Gunsmoke".
Enos: The Dukes of Hazzard gave us the exploits of dimwitted deputy Enos Strait.
Fish: A spin off from the successful Barney Miller series.  Starred Abe Vigoda.
Flo:  This was a spin off from the TV series "Alice" (which was based on the 70's movie "Alice Doesn't Live Here Anymore). Polly Holiday played man hungry "Florence Jean Castleberry" on the series.   The show ran for 29 episodes during 1980-81.
The Fonz and The Happy Days Gang: A cartoon spin off with The Fonz and Ralph and Richie being able to travel in a time machine piloted by a girl from the future name "Cupcake".  This premise lasted for a while and then Ralph and Richie were dropped and the Fonz became head of the motor pool in the cartoon series "Laverne and Shirley in the Army"in 1982.
Gomer Pyler U.S.M.C.: Spin off from the Andy Griffith Show.
The Jeffersons:  Neighbors of Edith and Archie Bunker on All in the Family.
Laverne and Shirley: These gals got their start on the series "Happy Days". They were friends of the Fonz. There show hit the air waves in 1976. The show lasted until 1983. Laverne and Shirley In The Army: This was a cartoon series that ran from 1982-83 and starred the voices of Penny Marshall and Cindy Williams (up until the time that Williams left both the shows). The cartoon found the duo in the army and later on the Fonz was added and the show became known as the "Laverne and Shirley/Fonz Hour.". 
Lou Grant: Spin off from the Mary Tyler Moore Show.
Mama's Family:  A spin off from segments found on the Carol Burnett show.  Vickie Lawrence ruled the roost as Mama the character she created on the Burnett show.
Maude:  This show starring Bea Arthur was a spin off from "All in the Family" . Maude Findlay was Edith Bunker's loud, liberal and opinionated cousin.
Misadventures of Sheriff Lobo: This show was a spin off of BJ and The Bear. The second season of the show had Lobo and his deputies leaving the small town life for the big city and the name of the series changed to "Lobo".  Claude Akins and Mills Watson starred.
Mork and Mindy: Spin off from an episode of Happy Days in which Mork (Robin Williams) tried to kidnap Richie Cunningham.
Mork and Mindy/Laverne and Shirley/The Fonz Hour: This show debuted in 1983 but lasted on one season then the snow became Laverne and Shirley In The Army which then became the Laverne and Shirley in The Army--I know it's confusing!!  LOL
Petticoat Junction: Spin off from The Beverly Hillbillies.
Phyllis: Cloris Leachman's character from "The Mary Tyler Moore show" was given her own series which lasted for 2 years from 1975-77.
Rhoda: Spin off from the Mary Tyler Moore show.