428th Maryland General Assembly
The 428th Maryland General Assembly convened in a regular session on January 13, 2011, and adjourned sine die on April 12, 2011.
House of Delegates
Leadership
| Position | Name | Party | District |
| Speaker of the House | Michael E. Busch | Democratic | 30 |
| Speaker Pro Tempore | Adrienne A. Jones | Democratic | 10 |
| Majority Leader | Kumar P. Barve | Democratic | 17 |
| Majority Whip | Talmadge Branch | Democratic | 45 |
| Minority Leader | Tony O'Donnell | Republican | 29C |
| Minority Whip | Jeannie Haddaway-Riccio | Republican | 37B |
State delegates
| District | Counties represented | Delegate | Party | First elected | Committee | |
| Allegany, Garrett | Republican | 2006 | Health and Government Operations | |||
| Allegany | Democratic | 1986 | Judiciary | |||
| Allegany, Washington | Republican | 2002 | Appropriations | |||
| Washington | Republican | 2008 | Ways and Means | |||
| Washington | Republican | 2010 | Judiciary | |||
| Washington | Democratic | 1990 | Health and Government Operations | |||
| Frederick | Democratic | 2002 | Appropriations | |||
| Frederick | Republican | 2010 | Environmental Matters | |||
| Frederick, Washington | Republican | 2010 | Appropriations | |||
| Frederick | Republican | 2010 | Ways and Means | |||
| Frederick | Republican | 2010 | Economic Matters | |||
| Carroll, Frederick | Republican | 1986 | Health and Government Operations | |||
| Carroll | Republican | 2010 | Health and Government Operations | |||
| Carroll | Republican | 1994 | Appropriations | |||
| Carroll, Baltimore County | Republican | 1974 | Health and Government Operations | |||
| Baltimore County | Democratic | 1988 | Economic Matters | |||
| Baltimore County | Democratic | 2006 | Ways and Means | |||
| Baltimore County | Democratic | 2002 | Environmental Matters | |||
| Baltimore County, Harford | Republican | 2002 | Economic Matters | |||
| Baltimore County, Harford | Republican | 1978 | Health and Government Operations | |||
| Baltimore County, Harford | Republican | 2010 | Appropriations | |||
| Baltimore County | Republican | 2002 | Environmental Matters | |||
| Baltimore County | Democratic | 2002 | Health and Government Operations | |||
| Baltimore County | Republican | 2010 | Judiciary | |||
| Howard | Republican | 2002 | Appropriations | |||
| Howard | Republican | 2003 | Economic Matters | |||
| Carroll | Republican | 2002 | Ways and Means | |||
| 10 | Baltimore County | Democratic | 1994 | Economic Matters | ||
| 10 | Baltimore County | Democratic | 1997 | Appropriations | ||
| 10 | Baltimore County | Democratic | 1994 | Health and Government Operations | ||
| 11 | Baltimore County | Democratic | 2002 | Ways and Means | ||
| 11 | Baltimore County | Democratic | 1994 | Health and Government Operations | ||
| 11 | Baltimore County | Democratic | 2002 | Environmental Matters | ||
| Baltimore County, Howard | Democratic | 2002 | Appropriations | |||
| Baltimore County, Howard | Democratic | 1994 | Environmental Matters | |||
| Howard | Democratic | 1994 | Environmental Matters | |||
| 13 | Howard | Democratic | 2006 | Appropriations | ||
| 13 | Howard | Democratic | 1994 | Health and Government Operations | ||
| 13 | Howard | Democratic | 1994 | Ways and Means | ||
| 14 | Montgomery | Democratic | 2002 | Ways and Means | ||
| 14 | Montgomery | Democratic | 2010 | Ways and Means | ||
| 14 | Montgomery | Democratic | 2010 | Appropriations | ||
| 15 | Montgomery | Democratic | 2002 | Judiciary | ||
| 15 | Montgomery | Democratic | 2002 | Economic Matters | ||
| 15 | Montgomery | Democratic | 2010 | Ways and Means | ||
| 16 | Montgomery | Democratic | 2007 | Ways and Means | ||
| 16 | Montgomery | Democratic | 2010 | Health and Government Operations | ||
| 16 | Montgomery | Democratic | 2002 | Judiciary | ||
| 17 | Montgomery | Democratic | 1990 | Ways and Means | ||
| 17 | Montgomery | Democratic | 2006 | Environmental Matters | ||
| 17 | Montgomery | Democratic | 1978 | Judiciary | ||
| 18 | Montgomery | Democratic | 2007 | Environmental Matters | ||
| 18 | Montgomery | Democratic | 2002 | Appropriations | ||
| 18 | Montgomery | Democratic | 2006 | Judiciary | ||
| 19 | Montgomery | Democratic | 2010 | Judiciary | ||
| 19 | Montgomery | Democratic | 2010 | Health and Government Operations | ||
| 19 | Montgomery | Democratic | 2006 | Economic Matters | ||
| 20 | Montgomery | Democratic | 2006 | Economic Matters | ||
| 20 | Montgomery | Democratic | 1976 | Ways and Means | ||
| 20 | Montgomery | Democratic | 2006 | Health and Government Operations | ||
| 21 | Anne Arundel, Prince George's | Democratic | 1994 | Environmental Matters | ||
| 21 | Anne Arundel, Prince George's | Democratic | 2006 | Economic Matters | ||
| 21 | Anne Arundel, Prince George's | Democratic | 2006 | Health and Government Operations | ||
| 22 | Prince George's | Democratic | 2001 | Appropriations | ||
| 22 | Prince George's | Democratic | 1990 | Environmental Matters | ||
| 22 | Prince George's | Democratic | 2002 | Ways and Means | ||
| Prince George's | Democratic | 1992 | Health and Government Operations | |||
| Prince George's | Democratic | 2010 | Judiciary | |||
| Prince George's | Democratic | 2002 | Environmental Matters | |||
| 24 | Prince George's | Democratic | 2010 | Judiciary | ||
| 24 | Prince George's | Democratic | 1988 | Ways and Means | ||
| 24 | Prince George's | Democratic | 2002 | Economic Matters | ||
| 25 | Prince George's | Democratic | 2006 | Economic Matters | ||
| 25 | Prince George's | Democratic | 1994 | Economic Matters | ||
| 25 | Prince George's | Democratic | 1998 | Appropriations | ||
| 26 | Prince George's | Democratic | 2002 | Health and Government Operations | ||
| 26 | Prince George's | Democratic | 2006 | Judiciary | ||
| 26 | Prince George's | Democratic | 2006 | Economic Matters | ||
| Calvert, Prince George's | Democratic | 1990 | Appropriations | |||
| Calvert, Prince George's | Democratic | 1974 | Judiciary | |||
| Calvert | Republican | 2010 | Ways and Means | |||
| 28 | Charles | Democratic | 2006 | Health and Government Operations | ||
| 28 | Charles | Democratic | 2002 | Economic Matters | ||
| 28 | Charles | Democratic | 2010 | Environmental Matters | ||
| Charles, St. Mary's | Democratic | 1986 | Appropriations | |||
| St. Mary's | Democratic | 1999 | Appropriations | |||
| Calvert, St. Mary's | Republican | 1994 | Environmental Matters | |||
| 30 | Anne Arundel | Democratic | 1986 | Speaker of the House of Delegates | ||
| 30 | Anne Arundel | Republican | 2006 | Ways and Means | ||
| 30 | Anne Arundel | Republican | 2010 | Environmental Matters | ||
| 31 | Anne Arundel | Republican | 2006 | Judiciary | ||
| 31 | Anne Arundel | Republican | 2002 | Health and Government Operations | ||
| 31 | Anne Arundel | Republican | 2006 | Economic Matters | ||
| 32 | Anne Arundel | Democratic | 2006 | Environmental Matters | ||
| 32 | Anne Arundel | Democratic | 1993 | Economic Matters | ||
| 32 | Anne Arundel | Democratic | 1992 | Appropriations | ||
| Anne Arundel | Republican | 2002 | Judiciary | |||
| Anne Arundel | Republican | 2010 | Environmental Matters | |||
| Anne Arundel | Republican | 2002 | Health and Government Operations | |||
| Cecil, Harford | Republican | 2010 | Ways and Means | |||
| Cecil, Harford | Democratic | 1998 | Appropriations | |||
| Cecil | Democratic | 1994 | Economic Matters | |||
| Harford | Republican | 2007 | Environmental Matters | |||
| Harford | Republican | 2006 | Economic Matters | |||
| Harford | Republican | 2002 | Judiciary | |||
| 36 | Caroline, Cecil, Kent, Queen Anne's | Republican | 2010 | Economic Matters | ||
| 36 | Caroline, Cecil, Kent, Queen Anne's | Republican | 2010 | Environmental Matters | ||
| 36 | Caroline, Cecil, Kent, Queen Anne's | Republican | 2002 | Judiciary | ||
| Dorchester, Wicomico | Democratic | 1998 | Environmental Matters | |||
| Caroline, Dorchester, Talbot, Wicomico | Republican | 1994 | Appropriations | |||
| Caroline, Dorchester, Talbot, Wicomico | Republican | 2002 | Economic Matters | |||
| Somerset, Wicomico | Republican | 2010 | Environmental Matters | |||
| Wicomico, Worcester | Democratic | 1986 | Appropriations | |||
| Wicomico, Worcester | Republican | 2010 | Judiciary | |||
| 39 | Montgomery | Democratic | 1998 | Appropriations | ||
| 39 | Montgomery | Democratic | 2007 | Health and Government Operations | ||
| 39 | Montgomery | Democratic | 2010 | Environmental Matters | ||
| 40 | Baltimore City | Democratic | 2006 | Judiciary | ||
| 40 | Baltimore City | Democratic | 2006 | Appropriations | ||
| 40 | Baltimore City | Democratic | 2006 | Health and Government Operations | ||
| 41 | Baltimore City | Democratic | 2002 | Judiciary | ||
| 41 | Baltimore City | Democratic | 1982 | Health and Government Operations | ||
| 41 | Baltimore City | Democratic | 1982 | Ways and Means | ||
| 42 | Baltimore County | Democratic | 2006 | Environmental Matters | ||
| 42 | Baltimore County | Republican | 2002 | Appropriations | ||
| 42 | Baltimore County | Republican | 2002 | Health and Government Operations | ||
| 43 | Baltimore City | Democratic | 1982 | Judiciary | ||
| 43 | Baltimore City | Democratic | 1992 | Environmental Matters | ||
| 43 | Baltimore City | Democratic | 2010 | Appropriations | ||
| 44 | Baltimore City | Democratic | 2002 | Appropriations | ||
| 44 | Baltimore City | Democratic | 1982 | Judiciary | ||
| 44 | Baltimore City | Democratic | 2006 | Ways and Means | ||
| 45 | Baltimore City | Democratic | 1994 | Ways and Means | ||
| 45 | Baltimore City | Democratic | 2006 | Environmental Matters | ||
| 45 | Baltimore City | Democratic | 1973 | Economic Matters | ||
| 46 | Baltimore City | Democratic | 2010 | Judiciary | ||
| 46 | Baltimore City | Democratic | 1994 | Health and Government Operations | ||
| 46 | Baltimore City | Democratic | 1990 | Economic Matters | ||
| 47 | Prince George's | Democratic | 2006 | Ways and Means | ||
| 47 | Prince George's | Democratic | 2002 | Environmental Matters | ||
| 47 | Prince George's | Democratic | 2010 | Ways and Means |