I remember Irene Rich's roles in both Duke movies mentioned. She had a really sweet disposition, very likeable characters!
There was plenty on the web about her, too -
http://www.stanford.edu/~gdegroat/rich.htm
http://silent-movies.com/Ladies/OSLRich.html
http://www.britannica.com/eb/article-9001191
http://www.oscars.org/mhl/sc/rich_150.html
http://www.picturegoer.net/IreneRichJan20.htm
http://www.ibdb.com/person.asp?id=57677
http://www.famousstar.de/star_Irene_Rich.html
http://www.silentsaregolden.com/homes/homeirenerich.html
http://www.old-time.com/commercials/welchs_grape_juice.html
http://www.silentsaregolden.com/photos/irenerichphoto.html
Mrs. C 
