Judy Agnew, who went to Washington after Richard M. Nixon plucked her husband, Spiro, from relative political obscurity to make him vice president and who later stood by him when he resigned in 1973 because of criminal charges, died on June 20 in Rancho Mirage, Calif. She was 91.

Her family announced the death.

As Vice President Spiro T. Agnew seized America’s attention with hot, alliterative rhetoric — calling Nixon’s critics “pusillanimous pussyfooters” and “nattering nabobs of negativism” — Mrs. Agnew radiated the practical, plain-spoken perspicacity of a superbly competent suburban housewife. Magazines and newspapers flocked to interview her....