Government Detail

Summary

Name Level Type/Class Home Rule?
Mifflin, Township of (Allegheny, defunct) municipality or lower Township no

Detail

Census Creation Date Created Boundary Alteration Count Dissolved
Dec 18, 1788 25 Jan 3, 1944

Map

Related

Name Relationship Status
Allegheny, County of Parent most recent

Identifier

Detail Type Source Identifier Relationship Web Link
View census US Census Bureau FIPS: County Subdivision 4200383512
View census US Census Bureau FIPS: Place 4283512
View geologic USGS GNIS: Civil 1214837 Historic View
View other Wikidata Q1180880 Historic View
View other Wikidata Q88989006 Historic View

Affected Government

Detail How Affected Adverse Government How Adverse Affected Date
View Creation Dickinson, Township of (Allegheny, defunct) Dissolution Dec 18, 1788
View Creation Nottingham, Township of (Washington) *Reduction Dec 18, 1788
View Creation Peters, Township of (Washington) *Reduction Dec 18, 1788
View Expansion Nottingham, Township of (Washington) Reduction Sep 17, 1789
View Expansion Peters, Township of (Washington) Reduction Sep 17, 1789
View Reduction Jefferson, Township of (Allegheny, defunct) Creation Jan 1828
View Expansion Jefferson, Township of (Allegheny, defunct) Reduction 1832
View Reduction Baldwin, Township of Creation Feb 24, 1844
View Ascertainment Jefferson, Township of (Allegheny, defunct) Ascertainment 1857–1858
View Reduction Homestead, Borough of Creation Sep 18, 1880
View Reduction Homestead, Borough of Expansion Sep 24, 1890
View Reduction Duquesne, Borough of (1891-1918, defunct) Creation Sep 12, 1891
View Reduction West Homestead, Borough of Creation Jan 29, 1901
View Reduction Munhall, Borough of Creation Jun 24, 1901
View Reduction Homestead, Borough of Expansion Oct 19, 1901
View Reduction Hays, Borough of (defunct) Creation Dec 12, 1901
View Reduction Dravosburg, Borough of Creation Mar 21, 1903
View Reduction Whitaker, Borough of Creation Jan 18, 1904
View Reduction Homestead, Borough of Expansion Jan 4, 1907
View Reduction Homestead, Borough of Expansion Feb 4, 1908
View Reduction Munhall, Borough of Expansion Mar 11, 1909
View Reduction Hays, Borough of (defunct) Expansion Mar 7, 1912
View Reduction Duquesne, Borough of (1891-1918, defunct) Expansion Dec 2, 1914
View Reduction Munhall, Borough of Expansion Mar 17, 1920
View Reduction West Homestead, Borough of Expansion May 27, 1921
View Reduction Pittsburgh, City of Expansion Feb 4, 1929
View Reduction Munhall, Borough of Expansion May 28, 1929
View Reduction Pittsburgh, City of Expansion Jul 15, 1929
View Reduction Whitaker, Borough of Expansion Dec 4, 1930
View Reduction Pittsburgh, City of Expansion Feb 24, 1931
View Old Name West Mifflin, Borough of New Name Jan 3, 1944

Affected Government Form

Detail Government Form Date
View Township Dec 18, 1788
View Township, 2nd Class Apr 28, 1899
View Township, 1st Class Mar 5, 1900

Other Successful Event Links

Detail Type Description Successful? Date
View New School District Jefferson Township-Mifflin Township 1859 Independent School District yes* 1858–1859
View School District Dissolution Jefferson Township-Mifflin Township 1905 Independent School District Dissolution yes* 1905
View County Classification Pennsylvania 1919 County Classification yes Jul 10, 1919

Government Action

Detail Action Date Approved Effective Location
View Resolution: Authorizing the presentation of a petition for the incorporation of all of the Township of Mifflin into a borough, to be designated as the "Borough of West Mifflin" Jun 2, 1942

Other Event Links

Detail Type Description Successful? Date
View Annexation Mifflin Township-Jefferson Township Proposed 1841 Annexation unknown 1841
View Annexation Baldwin Township to Mifflin Township-Jefferson Township Proposed 1846 Annexation no* 1846
View Annexation Baldwin Township to Mifflin Township-Jefferson Township Proposed 1847 Annexation unknown 1847–1848
View New School District Mifflin Township Proposed 1872 Independent School District no* 1872
View New School District Mifflin Township Proposed 1882 Independent School District unknown 1882–1883
View Boundary Realignment Baldwin Township-Mifflin Township Proposed 1889 Boundary Realignment unknown 1889
View New Borough Duquesne Borough Proposed 1890 Creation no 1890
View New Borough West Homestead Borough Proposed 1900 Creation no 1900
View New Borough Whitaker Borough Proposed 1903 Creation no 1903
View New Borough Lincoln Place Borough Proposed 1907 Creation no 1907
View Annexation Duquesne Borough Ordinance 241 no* 1914
View Annexation Homestead Borough 1920 Ordinance no* 1920
View New Township Mifflin Township Proposed 1920 Division no 1920–1921
View Dissolution Mifflin Township-Pittsburgh City Proposed 1932 Merger no 1932
View Annexation Whitaker Borough Ordinance 98 no* 1931–1932
View New Borough Carnegie Manor Borough Proposed 1935 Creation no 1935
View Annexation Mifflin Township-Duquesne City Proposed 1941 Annexation no* 1941