The wooden tug Mary Newton was built in Winneconne, Wisconsin in 1869. Her official registry number was 90112. At the time of loss she was valued at $2,500 and insured for $1,500. Late in 1877, Mary Newton had her machinery overhauled at Green Bay for a cost of $400. In 1879 she was caught in a storm when towing rafts of logs between Oconto and Green Bay losing most of the logs.

Last Document of Enrollment Surrendered: Milwaukee: 11/20/1880: "Total Loss".
"The tug Mary Newton, owned by W.C. Bailey, of Green Bay, was burned to the water's edge and sunk in Red River on Saturday night last. When the fire, which was communicated from the cabin stove broke out, Capt. Asahel Hart, engineer Wm. Toseland and the fireman were asleep in the cabin, and narrowly escaped with their lives, Toseland having his hair singed. The boat had become frozen in, and the crew were disconnecting her machinery preparatory to laying up. The Newton was valued at $2500, and was insured for $1500 against fire, in the Connecticut" Milwaukee Sentinel 11/25/1880