Former Secretary of State Hillary ClintonHillary Diane Rodham ClintonComey: Trump's 'Spygate' claims are made up Clapper: Trump distorting my comments is Orwellian Mueller probing Roger Stone's finances: report MORE marked Memorial Day on Monday by marching in a parade in New Castle, N.Y., accompanied by Gov. Andrew Cuomo (D).

Clinton and Cuomo are both seen as potential contenders for the 2016 Democratic presidential nomination, though neither has declared an interest in running.

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Cuomo tweeted a picture of the two walking in the parade.

Polls show Clinton to be the clear favorite for the nomination, with her holding 63 percent support in a Public Policy Polling survey from earlier this month. 

Vice President Biden came in second with 13 percent support, followed by Cuomo at 4, and Sens. Mark WarnerMark Robert WarnerGiuliani: Trump asked White House lawyer to go to Russia briefings Top Intel Dems denounce presence of Trump lawyer at classified briefings White House lawyer’s presence at FBI meetings sets off alarm bells for Dems MORE (Va.) and Elizabeth WarrenElizabeth Ann WarrenRising star Abrams advances in Georgia governor race Progressive rise is good news for Sanders, Warren Juan Williams: Trump gives life to the left MORE (Mass.) at 3 percent each.

Clinton also tops a number of possible GOP contenders in hypothetical head-to-head match ups.

Cuomo has declined to discuss a bid for the presidency, but recently denied reports that said he would not run if Clinton did.