William Matthews Merrick (September 1, 1818 – February 4, 1889) was a United States circuit judge of the United States Circuit Court of the District of Columbia, a United States representative from Maryland and an associate justice of the Supreme Court of the District of Columbia.

William Matthews Merrick
District of Columbia District Court
Born 1818 in near Faulkner, MD
Died 1889 in Washington, DC
FJC ID: 1624
- Gender
- Male
- Race
- White
Prior employment
- Private practice, Howard County, Maryland1863–1870, 1873–1886
- U.S. representative from Maryland1871–1873
- MarylandState representative · 1870
- Columbian College, Washington, D.C.Senior professor of law · 1866–1867
- Private practice, Washington, D.C.1854–1855
- Private practice, Frederick, Maryland1844–1854
Frederick County, MarylandDeputy attorney general · 1845–1850- Private practice, Baltimore, Maryland1839–1844
Appointments
1886–1889 · Appointed by Grover Cleveland (Democratic)Term ended: Death- Circuit Court of the District of Columbia1855–1863 · Appointed by Franklin Pierce (Democratic)Term ended: Abolition of Court

Education
- University of Virginia
- University of Virginia-Main Campus
- Read law1839
- Georgetown College (now Georgetown University)1831