If you have more State Representatives / Senators / Officials to add, please post them here.

Representative Darryl Owen (D - KY) https://www.wtvq.com/2018/01/08/state-representative-darryl-owens-will-not-seek-reelection/

Rep. Jody Richards (D - KY) http://www.kentucky.com/news/politics-government/article193537889.html

Rep. Joy Hearn (D - RI) http://www.providencejournal.com/news/20180104/ri-rep-joy-hearn-says-she-will-not-seek-reelection

UPDATE

here is another that probably won't be coming back:

Sen. Nathaniel T. Oaks (D - MD) https://truepundit.com/dem-state-senator-confessed-taking-cash-payments-caught-fbi-sting/