William was the son of Joseph and Elizabeth Mohler Pettet of Putnam County, MO. See http://ancestraldata.com/ahnentafel/35/

Unionville Republican (Unionville, MO), 25 Jan 1933

W. H. Pettit, Aged 83, Dead

W.H. Pettit, 83 years old, resident of Rock Island eight years, died in the home of his daughter, Mrs. Maud Klyber, 1525 Fourth avenue Rock Island, at 6:15 o'clock this morning, following a nine months' illness due to complications.

Mr. Pettit was born in Ohio September 27, 1838, and when he was a boy he accompanied his parents to Missouri, the trip being made in a covered wagon. He was educated in Missouri and married at Powersville, Mo., to Miss Sarah Riddle.

For many years he engaged in farming, retiring a number of years ago. His wife died 37 years ago. He was of Methodist faith.

Surviving are two daughters, Mrs. Klyber, of Rock Island, and Mrs. Guy Pauley, of Lucerne, Mo.; three sons: C. A. and James Pettit, both of Idaho, and Peter Pettit, of Oregon; 18 grand children and three great grand children.

The body was removed to the O'Malley mortuary and will be sent to Lucerne Saturday, where services will be held at 2:30 o'clock Sunday afternoon followed by burial in the Lucerne cemetery.