About Leslie

Suffolk County Legislator Leslie Kennedy of Nesconset is a lifelong resident of Long Island, raised in Commack.  As the daughter of a Marine, she was inspired to dedicate her life to serving her community. She has done this by working in public service, in healthcare and in the private sector.

Leslie worked for over 13 years, first as a legislative aide to Suffolk County Legislator Donald Blydenburgh and as an aide to Suffolk County Legislator John Kennedy before becoming a Suffolk County Legislator in 2015.  A dedicated public servant, Legislator Kennedy is a constant presence throughout the Towns of Smithtown & Brookhaven. She is always working to protect the quality of life of all of her constituency.

While in office, Legislator Kennedy has focused on protecting taxpayers, preserving the Long Island environment and ensuring the safety of the constituents of her community.

Prior to her service in government, she worked in numerous hospitals and private service as an RN for 30 years.  She has also worked in the private sector managing a business, and at a rehabilitation facility working with individuals who have substance abuse issues.

During her tenure as Suffolk County Legislator Leslie Kennedy has been the recipient of several awards for her work in the community. Leslie was recognized by the Suffolk County Police Hispanic Society for her work with law enforcement, she was honored by New York State Senate Majority Leader John Flanagan as New York State’s Woman of Distinction for her work with constituents in the community, and she was recognized by the Great South Bay Republican Club as Woman of the Year in 2017 for her work with local civic organizations. In addition, Leslie Kennedy was honored by Suffolk Women’s Republican Club for her work on women’s issues and Parents for Megan’s Law for her work on legislation to keep residents of Suffolk County safe from sexual predators.  

Legislator Kennedy and her husband John have four adult children; John, Kristen, Brian and Gillian.


  • Nesconset Sewer Study
  • Centereach Sewer Study
  • Monies for Commerdinger Park and the restoration of Walter S. Commerdinger’s historic home
  • Monies to preserve historic structures in Blydenburgh County Park
  • Streambed remediation for tributaries of the Nissequogue River
  • Legislation to fight drag racing in the Hauppauge Industrial Park and surrounding areas. 
  • Advocated for sewering downtown Smithtown
  • Sponsors frequent summer blood drives 
  • Sponsors the Nesconset summer concert series
  • Voted to repeal the administrative fee related to red light camera tickets