Creation Dates and Parent Counties of Maryland CountiesEdit This Page
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| County |
Year Created |
Parent County |
Year Split and Child County |
| Allegany | 1789 | Washington | From it came Garrett Co. in 1872. |
| Anne Arundel (name changed to Providence in 1654 and changed back in 1658) | 1650 |
St. Mary's |
1659, Baltimore County created from; 1674 & 1696 boundary with Baltimore County redfined; 1695, boundaries redefined; 1698, lost more land to Baltimore County; 1727, land from Baltimore County; 1824 & 1825 Calvert County boundary redefined; 1838, Howard district created and in 1851 became a county; 1918, land to Baltimore City. |
| Baltimore | 1659 |
Anne Arundel |
1659 gained land from Kent; 1674 & 1696, Anne Arundel boundary redefined; 1695, boundaries redefined; 1698, gained from Anne Arundel; 1727, lost to Anne Arundel; 1851, Baltimore (independent city) created by county seat stayed there until 1857; 1888 & 1918, lost land to Baltimore City. |
| Baltimore (independent city) |
1796, incorporated; 1851, became an independent city from Baltimore County | Baltimore County |
1888, gained land from Baltimore County; 1918, gained land from Anne Arundel and Baltimore counties. |
| Calvert (1654, name changed to Patuxent County; 1658, name returned to St. Marys) | 1654 |
St. Mary's |
1695, boundaries redefined; 1824 & 1825, boundary with Anne Arundel redefined. |
| Caroline | 1773 |
Dorchester, Queen Anne's | 1792, 1793, 1825, 1826, 1878 Dorchester boundary redefined; 1880, land from Dorchester. |
| Carroll | 1837 | Baltimore, Frederick | -- |
| Cecil | 1674 |
Kent | 1695 & 1706 boundaries redefined; 1706, gained from Kent. |
| Charles | 1658 |
St. Mary's |
Old St. Charles County existed from 1650 to 1653 and is not the same; 1695, boundaries redefined; 1748, gained from Prince Georges. |
| Dorchester | 1669 |
-- |
-- |
| Frederick | 1748 |
Baltimore, Prince George's | -- |
| Garrett | 1872 | Allegany | -- |
| Harford | 1773 | Baltimore County | -- |
| Howard | 1838, created as Howard District with status of a county; 1851, became a county. | Anne Arundel |
-- |
| Kent | 1642 |
-- |
-- |
| Montgomery | 1776 | Frederick | -- |
| Murderkill Hundred | Was Motherkill Hundred; in 1867 it became North Murderkill and South Murderkill Hundreds. | -- |
-- |
| Patuxent | (See Calvert) | -- | -- |
| Prince George's | 1695 | Calvert, Charles | -- |
| Providence | (See Anne Arundel) | -- | -- |
| Queen Anne's | 1706 | Talbot | -- |
| Somerset | 1666 | -- | From it came Wicomico in 1867. |
| St. Mary's | 1637 | -- | -- |
| Talbot | 1661/62 | -- | -- |
| Washington | 1776 | Frederick | -- |
| Wicomico | 1867 | Somerset, Worcester | -- |
| Worcester | 1742 | Worcester | From it came Wicomico in 1867. |
Extinct or Renamed Counties:
| Murderkill Hundred |
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- This page was last modified on 14 September 2009, at 22:13.
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