Built in 1962, by Main Iron Works Incorproated of Houma, Louisiana (hull #104) as the Cindy Cenac for the Cenac Towing Company Incorporated of Houma, Louisiana.
Prior to 1989, she was acquired by the American Navigation Company Incorporated of San Francisco, California. Where the tug retained her name.
In 1995, the tug was acquired by the Manson Construction Company of Seattle, Washington. Where the tug was renamed as the Marie M.
In 1998, she was acquired by the Island Tug and Barge Company of Seattle, Washington. Where the tug was renamed as the Patricia S.
In 2013, she was acquired by the Sterling Equipment Company of Quincy, Massachusetts. Where the tug retained her name.
In 2016, the Sterling Equipment Company renamed the tug as the Miss Ila. And, outfitted the tug with an upper wheelhouse.
Powered by two, Caterpillar 3512 diesel engines. With Eisenwork reduction gears, at a ratio of 4:1. She is a twin screw tug, rated at 2,400 horsepower.