Background
Mason was born on March 17, 1818 in Sullivan, New Hampshire, to John and Mary (Haven) Mason.
Mason was born on March 17, 1818 in Sullivan, New Hampshire, to John and Mary (Haven) Mason.
He graduated from Dartmouth College in 1841 and studied at law in Lancaster, New Hampshire, Boston, Massachusetts, and Harvard Law School.
Mason was admitted to the Suffolk County bar in 1843 and began practicing in Boston. Lacking family or personal wealth, Mason was left with only twenty-five cents after securing his office and purchasing office furniture and law books He was eventually able to establish a successful practice.
In 1848 he moved from Boston to Newton, Massachusetts, where he lived for the rest of his life.
In 1860 Mason was appointed to the Massachusetts Board of Education. Mason represented Newton in the Massachusetts House of Representatives in 1863, 1866 and 1867.
In the House he was a leading proponent of the leveling of Boston"s Fort Hill, the merger of the Western Railroad and the Boston and Worcester Railroad, and the adoption of the Fourteenth Amendment to the United States Constitution. On December 22, 1870, he was appointed United States Attorney for the District of Massachusetts by President Ulysses South. Grant.
Mason died on May 20, 1873 at his home in Newton.
The town of Newton named one of its grammar schools in his honor (now known as Mason-Rice Elementary School).
As a member of the board, Mason was influential in the establishment of the State Normal School at Framingham. From 1864 to 1870 Mason was a member of the Harvard Board of Overseers.