Lori,
I hope you are still active here. I have Illinois Aden ancestry as well. I think the Adens are difficult to trace! My grandfather was named Chester P. Aden. He was born in 1919 and died in 1993, both in Poplar Bluff, MO. His parents were Frank Aden (1881-1960) and Rena Belle Thompson. Frank Aden was born in Petersburg, IL and died in Poplar Bluff, MO. The names I have been given for his parents are Frank (or Fokke) and Matilda, both born in Hanover, Germany. I do not have any documentation to prove this, but my uncle believes this to be true. I can't help but think we are probably connected in some way due to the proximity of dates and locations. The older Frank was born in 1841 and died in 1904 in Oxly, MO. That's all I know about my aden lineage. I hope it helps some.
-Leslie