Muriel Kearney, as a young actress, is listed by the Internet Movie Database as having appeared in movies from 1936 though 1948. Muriel was voted as “The Most Beautiful Extra” in 1943.
From the 1935 Lawlor Professionals:
Muriel’s photo appears in this casting book. The ad indicates that she is a dancer and is available for casting on stage or screen.
From the 1936 Lawlor Professional School Yearbook:
Muriel Kearney was in the sixth grade in 1936.
From the February 11, 1937 Lawlor Journal:
SEVENTH AND EIGHTH GRADE ITEMS: Muriel Kearney worked out at Universal with Sally Eilers and Jimmy Dunn.
Links to other resources about Muriel Kearney:
Internet Movie Database listing: