* February 13, 2003, [runforrestrun], ? ?, ?. [Susen]'s partner? New Identity Island idea and others, including humorous anti newbie-harassing post.
* July 14, 2002, [mighty_cheese], Michael (Miles?) Thorne, Toronto. Died young (25). Signing his death notice were Farmer John and Bristolz and Jinbish.
Was HB admin and designed po's card. Wrote at a time when Geocities and Yahoo were the thing. Only 4 ideas survive.
* December 29, 2002, [DrFowler], Renee Dobbs? Fowler?, Killed by a drunk truck driver, 1 month after her marriage. Only 2 ideas remain after HB 2004 crash.
* April 28, 2003, [Jerith], Jerith Peterson, son of [lurch], smart, sadly died at age 16.
* March 3, 2004, [no12pass], Vicky ?, ?. She participated mostly as annotator with only 3 posted ideas one of which was a paper todo list pad. This was before there were apps!
* July 20, 2006, [Bristolz], Bristol Z?, Seattle, Artist and great knowledgeable and creative brain.
* April 28, 2011, [Jinbish], John?, Scotland?, The HB Poet.
* March 12, 2020 [MaxwellBuchanan], Dr. Paul H Dear "A slightly early farewell", Genomics research, Cambridge
* March 8, 2020 [csea] Charles Seagrave, Audio Researcher and expert at RCA and genius in HB
* February 15, 2021 [8th of 7], Jonathan Fowler, Theater and Fireworks expert, Hartford UK.
* June 30?, 2022, [FarmerJohn], John ??, Prolific illustrator and idea inventor. Left HB much earlier in the culture clash.