Patricia Richardson
the actress who played "Jill Taylor" in the television series "Home Improvement." She is considered by many men to be a benchmark MILF - she defines the term. It's odd, actually, how many many actresses named "Patricia" are incredible MILFs - Patricia Heaton, Patricia Arquette, Patricia Richardson... the list goes on and on....
"Patricia Richardson's status as a MILF was confirmed by her cameo role in a Law and Order episode as a character with major MILF} attributes, after "Home Improvement" went into re-runs.