Michael J. O'Brien MD Obituary
It is with deep sorrow that we announce the death of Michael J. O'Brien MD of East Greenwich, Rhode Island, who passed away on April 27, 2026, at the age of 62, leaving to mourn family and friends. You can send your sympathy in the guestbook provided and share it with the family.
He is survived by: his wife Lisa; his stepdaughters, Ainsley, Cailin and Bryn MacGillivray; his father John D. O'Brien; his father-in-law John Anderson; his brothers, David O'Brien (Julie) and James O'Brien (Catherine); and his nieces and nephews, Erin, Katherine (Richard), Jessica, Mary, Patrick (Katherine) and Andrew.
In lieu of flowers, memorial gifts may be sent to The American Cancer Society (https://donate.cancer.org).
