Leslie A. Irvin

The birth certificate for Leslie Irvin states:
Birth Place: Los Angeles, CA
Name: Leslie A. Irvin
Sex: Male
Birth Date: April 30, 1912
Father: Leslie A. Irvin Age: 31
Birth Place: Bonnie Terre, MO.
Occupation: Engineer
Mother: Maud M. Irvin Age: 27
Birth Place: Canton, Ohio
Occupation: Housewife

Interesting that his middle name is listed as A. instead of Authur and his name is the same as his father, but no JR. is listed.