| 84th New York State Legislature | |||||
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 The Old State Capitol (1879) | |||||
| Overview | |||||
| Legislative body | New York State Legislature | ||||
| Jurisdiction | New York, United States | ||||
| Term | January 1 – December 31, 1861 | ||||
| Senate | |||||
| Members | 32 | ||||
| President | Lt. Gov. Robert Campbell (R) | ||||
| Temporary President | Ephraim Goss (R), on February 8 Peter P. Murphy (R), on March 7 Erastus S. Prosser (R), on March 25 William H. Ferry, from March 25 | ||||
| Party control | Republican (23-9) | ||||
| Assembly | |||||
| Members | 128 | ||||
| Speaker | DeWitt C. Littlejohn (R) | ||||
| Party control | Republican (93-35) | ||||
| Sessions | |||||
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The 84th New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 1 to April 16, 1861, during the third year of Edwin D. Morgan's governorship, in Albany.