OCRR was undoubtedly Old Colony Railroad, "a system that started with the incorporation of the line between Boston and Plymouth in 1844." It was the New Bedford and Taunton Railroad, from 1839 to 1873. See Wikipedia http://en.wikipedia.org/wiki/Old_Colony_Lines Regards, Bob C On Apr 29, 2006, at 9:20 AM, pwalkermn@mchsi.com wrote: > A relative who lived in Marlborough in 1890 worked for "OCRR", > according to his son's birth record. I assume this was a railroad, > but can anybody tell me what it might have been?