Wilson Gathering

The photo below is of a Charles B. Wilson family gathering.  The date is unknown but was probably taken around 1942.  If anyone has an exact date, please leave the date in comments.
Back row from left to right:
Wilber, John, Inez, Buck, Maymie, Charles B, Pearl, Pat with Leroy goofing off in front, Anna with great-grandma Nancy Hatfield standing in front, Jenny, Anna's sister Mary, Mr. Graffie and Cora Rose Graffie.

Not sure who all the younger children sitting in front belong to.