"Liberty Hall" from their marriage in 1812 until their removal to the future governor's original home county of Queen Anne in or after 1814.

In 1835, Grason made his second attempt to secure a seat in Congress, but in the general election he was defeated by James A. Pearce, the Whig candidate.

[2] In the gubernatorial election of 1838, with candidates exclusively from the Eastern Shore District, the Democrats nominated William Grason and the Whigs named John Nevitt Steele of Dorchester County.

In 1850, the Democrats of Queen Anne's County chose him to be a delegate to the Constitutional Convention, and in the same year he was elected to the Maryland State Senate.

Grason died at his home near Queenstown, Maryland in Queen Anne's County on July 2, 1868, at the age of 80, and he was buried on his own land, now called 'Wye River Farm.