Editing List of counties in New York (section)

== Defunct counties ==

{| class="wikitable sortable" style="margin:auto;"
|-
!County<br>
!Created<br><ref name=form/>
!Abolished<br><ref name=form/>
!class="unsortable" |Fate<ref name=form/>
|-
|[[Charlotte County, Province of New York|Charlotte County]]
|1772
|1784
|Partitioned. Western part renamed as [[Washington County, New York|Washington County]] and eastern part transferred to [[Vermont]].
|-
|[[Cornwall County, Province of New York|Cornwall County]]
|1665
|1686
|Transferred to the part of [[Massachusetts]] that later became the state of [[Maine]] and partitioned; one of the 12 original counties created in the New York colony
|-
|[[Cumberland County, New York|Cumberland County]]
|1766
|1777
|Transferred to [[Vermont]] and partitioned
|-
|[[Dukes County, Province of New York|Dukes County]]
|November 1, 1683
|1692
|Transferred to [[Massachusetts]]; one of 12 original counties created in the New York colony
|-
|[[Gloucester County, New York|Gloucester County]]
|1770
|1777
|Transferred to [[Vermont]] and partitioned
|-
|[[Mexico, New York|Mexico County]]
|1792
|1796
|Never settled or incorporated, reallocated to Oneida, Oswego and Jefferson Counties.
|-
|[[Tryon County, New York|Tryon County]]
|1772
|1784
|Renamed as [[Montgomery County, New York|Montgomery County]]
|-
|}