Hi all,  I checked on the IMdb (Internet Movie Database) and they
offered some specific dates for Pauline's birth and death dates.
The citation follows:

  Pauline Alpert (1906-1988)
    Pauline Alpert was born on December 27, 1906 in New York City,
  New York, USA, as Pauline Edith Alpert.  She was an actress, known
  for What Price Piano (1927) and Katz' Pajamas (1935).  She died on
  April 11, 1988 in Bronx, New York City.  See full bio...
  Born: December 27, 1906 in New York City, New York, USA
  Died: April 11, 1988 (age 81) in Bronx, New York City, New York, USA
  http://www.imdb.com/name/nm3573452/ 

Best wishes,
Mike Walter