Daniel has experienced 71 years of existence since their birth on October 03, 1953. Mr. O'brien, the person's dwelling place is at 5502 Dahlen Dr, Madison, WI 53705, USA. This person's past living arrangements include 10 addresses. The documented places of residence for this person are: 718 Bear Claw Way #WA106, Madison, 2621 Country Club Dr, Cameron Park, and 1039 43rd St, Emeryville, CA 94608. The aforementioned person maintains two post office boxes, including: Po Box 3534, La Mesa, CA 91944-3534, Po Box 86281, San Diego, CA 92138-6281. The spouse of Dan O'brien is expected to be Teresa J Sizemore (63-years old). Daniel O'brien can utilize 5 email addresses. Daniel, along with Erin M O'brien (between 2001 and 2003) and Steve York (between 1996 and 2000), occupied the same residence at 8876 Olive Ln, Santee, CA 92071. There are several people in Wisconsin, Illinois who share the name Mr. O'brien, the person. Paula Guthrie, Michael P Holahan, Paula M Holahan are among the dwellers of the shared address