Question

When did Michael F. O'Brien b.1857 in Boston, MA die?

Answer 1

Would like to help with your brickwall, however your request is for me to find answers with less information than what you have. If you do not have a WikiTree profile for the individual in question, perhaps another web address with this info.
 

Any how here is an answer:

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=O%27Brien&GSfn=michael&GSby=1858&GSbyrel=in&GSdyrel=all&GSob=n&GRid=11000830&df=all&

born 1858 died 19__

Comments

The answer is not the right Michael F. O'Brien. His birth: June 17, 1857 in Boston, Massachusetts, USA (according to the 1900 U.S. Census). Death: August 6, 1934 in Boston, Suffolk, Massachusetts, USA. Parents: Dennis O'Brien, Margaret Cain. Democratic Ward 1 Chairman in Boston, MA. (Teamster) His middle name is recorded as Francis in some records. Street address: 307 Norfolk Avenue & 3 Utica Street in Boston, MA, USA. Married Jan. 10, 1878 in Boston, Suffolk, MA, USA to Annie Maroney (Housekeeper). He died in Boston, MA.

---

It is not the right Michael F. O'Brien gravestone. The Michael that I'm looking for was born on June 17, 1957 in Boston, MA and died in Boston, MA Aug. 6, 1934.

Answer 2

This will help other researchers, to help you.

http://www.wikitree.com/wiki/O%27Brien-1054

Answer 3

August 6, 1934 in Boston, MA