On November 3, 2009, he was defeated by challenger Judith Flanagan Kennedy, by a margin of 27 votes.

[4] In the 1981 preliminary election Clancy finished first, receiving 1,393 more votes than incumbent Mayor Antonio J. Marino.

[7][8] After McGee challenged the recount in court, Clancy ended up winning the primary by an 11-vote margin.

[6] Clancy went on to defeat Republican Kimberly P. Simone and win the general election in November 1990.

[10][11] Clancy ran for and won the Democratic Party's nomination for the seat being vacated by Boverini.

In November 1994 Clancy won the general election for State Senate seat from the 1st Essex District.