I am searching for Edward Dulian's ancestors as well.It is a huge roadblock.I agree that his original surname was most likely Dulin. However, we can't discount the possibility of it having been Doolan, Doolean, Dooling or even an entirely different surname. Like you said there is no record of any Dulians at all before Edward.There are Dulians around that are Polish that came into America in the late 1890s/early 1900s, but Edward is of Irish descent, I'm fairly certain.
The Boone County records are not 100% correct; they show Edward married to a "Sarah Jane Wilson" on 1 of the children's birth listings.His wife's name was Sarah Jane Moore.They married on 3/27/1879 in Boone Co, Missouri.I have all of their children, and I have quite a bit on Sarah's family as well.
Edward's full name is Edward Bartley Dulian.I wonder about the middle name, if maybe it could possibly be his mother's maiden name.It seems that some Dulins (Doolans?) have a practice of using the mother's maiden name as a middle name.The story on Edward is that he ran away from home as a young boy (teen?) and that he was raised by Sarah Jane's family.Per Boone Co, MO records for a birth of one of his children, Edward may have been born in St. Louis.Possible years of birth are 1852 or 1855 maybe even 1856.Edward turns up in the 1880 Boone Co, Missouri census.He most likely moved to LaSalle Co, Illinois from 1892 onwards.....before 1900.Sarah Jane's family was in the 1860 census in Iroquois County, Illinois.My plan is to hunt Edward down in the 1860 and 1870 censuses and Sarah Jane's family in the 1870 census, but I have been waiting and waiting on Ancestry to get those censuses linked up.
In 1900, Sarah's mother, Anna Moore (nee Fry) was living with them in LaSalle County, IL.Her father, Joseph Moore, having died on 6/13/1893.I have notes that said he died in Iroquois County, IL, but I'm not sure if that is accurate or not.However, he is buried in Iroquois County.
Sorry I haven't been able to help you more.But, I wanted to let you know that you aren't the only one searching for Edward Dulian's ancestors.Email me if you'd like to compare notes.