Gregory O'Brien Obituary

It is with great sadness that we announce the death of Gregory O'Brien (Thiensville, Wisconsin), who passed away on June 28, 2020, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, Robert O'Brien and Barbara O'Brien; and his sister Kerry. He is survived by: his wife Tamara O'Brien (Hayes); his son Sean O'Brien; his siblings, Patrick (Holly), Kathryn, Michael (Cathy), Timothy (Patricia), Steven, Mary Jo and Laurie Wolf; his mother-in-law Lila Hayes (late Kenneth Ralph); and his siblings-in-law, Steven Hayes (Karen), Lori Kannenberg (late Ed) and Kristin Marsden (Dave). He is also survived by numerous nieces, nephews, aunts, uncles, cousins, other relatives and friends, and his beloved dogs.

In lieu of flowers, memorials to Crossroads Presbyterian Church or to the Wisconsin Humane Society would be appreciated.