I think I just answered your first question in my previous post before I read your post with the question.
And not sure about the census info. With no husband - Rosa's family was quite poor and moved about alot, farming and sharecropping in the Sutherlin / Paces / Kentuck area, and sometimes living with Rosa's other sons and daughters (I think you have info on them). After Annie graduated from Dan River High School, she went to work at Dan River Mills (textiles) and moved to Danville, VA - which would have been about 1939 / 40. She and Clifford were married when Annie was 21 in Dec of 1943 I think (married on Christmas Eve or Christmas Day - I'll have to ask). I can only quess that she did not get reported because of moving from place to place.