Hamilton's wife, Jane, is sister of former U.S. women's ice hockey player Helen Resor.

Jeff scored his first NHL goal on December 17, 2005 against David Aebischer and the Colorado Avalanche during an Islanders 5-4 win.

[2] On March 5, 2009, Hamilton became a member of the Toronto Maple Leafs after the team bought his contract from the Wolves.

[3] On August 5, 2009, Hamilton left North America and signed abroad for HC Lugano of the Swiss National League A.

His career ended in an injury just before playoffs, but he won the Finnish championship with HIFK after producing at a point-per-game ratio in the regular season.