He served as member of the Virginia constitutional convention 1850-1851.

He was a member of the Virginia Convention in 1776.

He was a member of the Virginia Convention from 1774-1776.

He was a delegate to the Virginia constitutional convention of 1776.

He served as delegate to the Virginia constitutional convention in 1901 and 1902.

He served as delegate to the Virginia constitutional convention in 1867-1868.

When the Virginia convention began, the constitution had not yet been ratified by the required nine states.

Mason later served as a delegate to the Virginia constitutional convention of 1850.

In 1829 he was president of the Virginia constitutional convention, while remaining a Representative.

Randolph was a member of the Virginia constitutional convention at Richmond in 1829.