Let's do a favorite sitcom TV mom list like was done here (http://www.sitcomsonline.com/boards/showthread.php?t=338011) for the dads.

List your favorite sitcom mom from each decade...

Rules:
must be a sitcom mom
the series must have aired 2 seasons at the least for that decade
the mom must have been a series regular, no guest star moms




Here's my list:

50s: June Cleaver (Leave It to Beaver)
60s: Kate Bradley (Petticoat Junction)
70s: Edith Bunker (All in the Family)
80s: Thelma "Mama" Harper (Mama's Family)
90s: Harriet Winslow (Family Matters)
00s: Marie Barone (Everybody Loves Raymond)

50's - June Cleaver (Leave it to Beaver)
60's - Alice Mitchell (Dennis the Menace)
70's - Marion Cunningham (Happy Days)
80's - June Cleaver (The New Leave it to Beaver)
90's - Peggy Bundy (Married with Children)

50's- June Cleaver (Leave it to Beaver)
60's-Kate Bradley (Petticoat Junction)
70's- Carol Brady (Brady Bunch)
80's-Marsha Owens (Mr. Belvedere)
90's and beyond ?

1950s Lucy Ricardo- I Love Lucy
1960s Samantha Stevens- Bewitched
1970s Marion Cunningham- Happy Days
1980s Edna Garrett- The Facts of Life not an actual mother but more of a mother to the girls than their own
1990s Jill Taylor- Home Improvement
2000s Hope Shanowski- Hope & Faith
2010s Beverly Goldberg- The Goldbergs

1970s Carol Brady
1980s mother from Family Ties

50s - Mrs. Anderson (Father Knows Best)
60s - Alice Mitchell (Dennis the Menace)
70S - Mabel Thomas (What's Happening)
80s - Mrs. Garrett (surrogate mom to the girls in Facts Of Life)
90s - Harriet Winslow (Family Matters)

1980s mother from Family TiesElyse Keaton

1950s June Cleaver (Leave It To Beaver)
1960s Samantha Stevens (Bewitched)
1970s Marion Cunningham (Happy Days)
1980s Clair Huxtable (The Cosby Show)
1990s Marge Simpson (The Simpsons)
2000s Debra Barone (Everybody Loves Raymond)
2010s Christy (Anna Faris)(Mom) - don't know last name

1950s: Harriet Nelson - Adventures of Ozzie & Harriet
1960s: Katie Miller Douglas - My Three Sons
1970s: Barbara Harper Douglas - My Three Sons
1980s: Angela Bower - Who's the Boss
1990s: Debra Barone - Everybody Loves Raymond

1950s- Donna Stone (Donna Reed)
1960s- Kate Bradley (Bea Benaderet)
1970s- Carol Brady (Florence Henderson)
1980s- Thelma Harper (Vicki Lawrence)
1990s- Roseanne Conner (Roseanne)
2000s- Kitty Foreman (Debra-Jo Rupp)

1950's - Lucy Ricardo (I Love Lucy)
1960's - Samantha Stephens (Bewitched)
1970's - Marion Cunningham (Happy Days)
1980's - Allie Lowell (Kate & Allie)
1990's - Polly Cooper McGillis (Major Dad)
2000's - Kitty Forman (That 70s Show)
Current - Frankie Heck (The Middle)

50s - June Cleaver (Leave It To Beaver)
60s - Morticia (The Addams Family)
70s - Alice (Alice)
80s - Elyse Keaton (Family Ties)
90s - Jean Hardcastle (As Time Goes By)

1950s: Gracie Allen (The George Burns and Gracie Allen Show)
1960s: Alice Mitchell (Dennis the Menace)
1970s: Carol Brady (The Brady Bunch)
1980s: Kate Tanner (ALF)
1990s: Judy Lewis (Parker Lewis Can't Lose)
2000s: Cate Hennessy (8 Simple Rules...)
2010s: Virginia Chance (Raising Hope)