Convention |
Dates |
Guests, Notes
|
Marcon I |
March 1966 |
none
|
Marcon II |
April 8-9, 1967 |
Roger Zelazny
|
Marcon III |
March 30-31, 1968 |
Fred Pohl
|
Marcon IV |
March 28-30, 1969 |
Terry Carr
|
Marcon V |
March 20-22, 1970 |
Gordon R. Dickson
|
Marcon VI |
March 26-28, 1971 |
Lester del Rey
|
Marcon VII |
1972 |
Roger Zelazny
|
Marcon VIII |
1973 |
Anne McCaffrey
|
Marcon IX |
March 29-31, 1974 |
Hal Clement
|
Marcon X |
March 21-23, 1975 |
James Gunn
|
Marcon XI |
March 19-21, 1976 |
Joe Haldeman, Randy Bathurst
|
Marcon XII |
March 18-20, 1977 |
Howard DeVore
|
Marcon XIII |
April 14-16, 1978 |
A. Bertram Chandler, Larry Smith, Bob Hillis
|
Marcon XIV |
March 16-18, 1979 |
Katherine Kurtz, Fred Haskell
|
Marcon XV |
May 2-4, 1980 |
L. Sprague de Camp, Brian Earl Brown
|
Marcon XVI |
March 13-15, 1981 |
Andy Offutt, Bob Passovoy, Anne Passovoy
|
Marcon XVII |
April 30-May 2, 1982 |
Hal Clement, Buck Coulson
|
Marcon XVIII |
May 13-15, 1983 |
James Hogan, George Laskowski
|
Marcon XIX |
May 18-20, 1984 |
C. J. Cherryh, Todd Cameron Hamilton
|
Marcon XX |
May 10-12, 1985 |
Larry Niven, Carl Lundgren, Bill Maraschiello
|
Marcon XXI |
May 16-18, 1986 |
Roger Zelazny, Frank Kelly Freas, Bill Maraschiello
|
Marcon XXII |
May 1987 |
Michael Kube-McDowell, David Mattingly, Bill Roper, Kevin Siembieda, Tom Savini
|
Marcon XXIII |
April 29 - May 1, 1988 |
David Brin, Michael Whelan, Kevin Siembieda
|
Marcon XXIV |
April 28-30, 1989 |
Hal Clement, Todd Cameron Hamilton, Barry and Sally Childs-Helton, Steve Jackson
|
Marcon XXV |
May 18-20, 1990 |
George R. R. Martin, Melinda Snodgrass, Gahan Wilson, Murray Porath, Chris Claremont
|
Marcon 26 |
April 26-28, 1991 |
C. J. Cherryh, Lois McMaster Bujold, Rowena Morrill, Juanita Coulson, Dick Spelman, Lee Weeks, Melinda Snodgrass
|
Marcon 27 |
May 22–25, 1992 |
Roger Zelazny, Orson Scott Card, Randy Asplund-Faith, Steve and Sue Francis, Richard Tucholka
|
Marcon 28 |
April 23-25, 1993 |
Mike Resnick, Jane Yolen, Ray VanTilburg, Michael Longcor, Dennis O'Neil, Julius Schwartz
|
Marcon 29 |
May 13-15, 1994 |
Philip José Farmer, Barbara Hambly, Boris Vallejo, Julius Schwartz, Jane Robinson, David Ivey, Forrest J Ackerman, White Wolf Games
|
Marcon 30 |
May 5-7, 1995 |
Spider & Jeanne Robinson, Ray Harryhausen, Forry J Ackerman, Kathy Mar, Jacqueline Ward
|
Marcon 31 |
May 3-5, 1996 |
J. Michael Straczynski, Katherine Kurtz, Larry Elmore, Animal X, Joey Shoji, Richard Biggs, Patricia Tallman, Brinke Stevens
|
Marcon 32 |
May 9-11, 1997 |
Harry Turtledove, J. Michael Straczynski, Ricia Mainhardt, Julius Schwartz, Juanita Coulson, B. J. Mitias, Richard S. Brougton, Fyberdyne Laboratories, Games Workshop,Tracy Torme, Ed Wasser, Bruce Zabel
|
Marcon 33 |
May 1-3, 1998 |
Lois McMaster Bujold, Robin Wood, Ookla the Mok, Julius Schwartz, Joel Rosenberg, Dr. Tom Burns
|
Marcon 34 |
May 7-9, 1999 |
David Drake, Erin McKee, Steve Saffel, Syntax
|
Marcon 35 |
May 26-28, 2000 |
Janny Wurts, Don Maitz, Steve MacDonald, Josef and Kit Matulich, Kevin and Maryann Siembieda, Richard Chevolleau, Leni Parker, and Dr. Demento
|
Marcon 36 |
May 25–27, 2001 |
Robert Jordan, Ellisa Mitchell, Bob and Anne Passovoy, Ray VanTilburg, Gary Lockwood, James P. Hogan
|
Marcon 37 |
May 24–26, 2002 |
David Weber, Bruce Coville, James Wappel, Stephen Pagel, Zander Nyrond, Catherine Asaro, Kathy Hamilton, Fyberdyne Laboratories, Rod Roddenberry, Cheapass Games
|
Marcon 38 |
May 23–25, 2003 |
Jack Vance, J. Gregory Keyes, Bill & Brenda Sutton, Judith & Dave Hayman, Rod Roddenberry, Kenny Baker, Richard Biggs
|
Marcon 39 |
May 28–30, 2004 |
Laurell K. Hamilton, Bob Eggleton, Ellen Datlow, Cecilia Tan, Cynthia McQuillin, Jane Robinson, Julie Zetterberg, Hugh S. Gregory, Bjo & John Trimble, Twilight Creations
|
Marcon 40 |
May 27–29, 2005 |
Tom Smith, Barry and Sally Childs-Helton, Richard Hatch
|
Marcon 41 |
May 26–28, 2006 |
George R. R. Martin, Jody Lee, David G. Hartwell, Dave & Judith Hayman, Chris Kramer, B. J. Mitias, Steve Lee, Rod Roddenberry, David Franklin, Michael DeMeritt, Pieramyd Productions, EB Games / Gamestop
|
Marcon 42 |
May 25–27, 2007 |
Keith R. A. DeCandido, Laura Reynolds, John Mosby, Three Weird Sisters (Gwen Knighton, Brenda Sutton and Teresa Powell), Pierre and Sandy Pettinger, G. Patrick Molloy, Looney Labs, Nancy Janda, Kevin Sorbo and Rick Faraci
|
Marcon 43 |
May 23–25, 2008 |
Robert Asprin, Jody Lynn Nye, Ray VanTilburg, Toni Weisskopf, Alexander James Adams, Sister Sola, Hank Reinhardt, Kevin Standlee, Rebecca Forstadt, Marc Singer, Leah Cairns, Wizards of the Coast
|
Marcon 44 |
May 22–24, 2009 |
Simon R. Green, Patricia McCracken, Chris Conway, Jordin Kare, David H. Lawrence XVII
|
Marcon 45 |
May 28-30, 2010 |
Wen Spencer, Billy Tackett, Seanan McGuire, Twilight Creations, Richard Hatch
|
Marcon 46 |
May 27-29, 2011 |
F. Paul Wilson, Eric Flint, John Jude Palencar, Harry Turtledove, Leslie Fish, Brent Keith
|
Marcon 47 |
April 6-8, 2012 |
Tamora Pierce, Sarah Clemens, Paula Guran, Dr. Bradley Lepper, Erica Neely, Manu Intiraymi
|
Marcon 48 |
March 29-31, 2013 |
Joe Haldeman, Heather Kreiter, Toyboat, Jeff Dee, Gay Haldeman
|
Marcon 49 |
May 9-11, 2014 |
Glen Cook, Heather Dale, Ben Deschamps, Eric Flint
|
Marcon 50 |
May 8-10, 2015 |
Many returning GoHs
|
Marcon 51 |
May 6–8, 2016 |
Seanan McGuire, James Wappel, S. J. Tucker, Mogchelle Cosplay, Geoffrey A. Landis, Kris Holder-Ried, The Onyx Path Publishing
|
Marcon 52 |
May 12-14, 2017 |
Jacqueline Carey, Kristen Simmons, Charles Urbach, Talis Kimberley, Alexa Heart, Phil and Kaja Foglio, Jason Hardy, Jason Marsden
|
Marcon 53 |
May 11-13, 2018 |
Larry Elmore, Juanita Coulson, Todd Cameron Hamilton, F. Paul Wilson, Cinda Williams Chima, David Lee Pancake, Dandelion Wine, Shoshie Bauer, Alexa Heart, Mogchelle Cosplay, Charles Xavier Conley, Gary Graham
|
Marcon 54 |
May 10-12, 2019 |
Charles E. Gannon, John Picacio, Rebecca Moesta, Bob and Connie Trembley, The Hopeful Romantics, David Gerrold
|
Marcon 55 / Marcon 55 2.0 |
May 8-10, 2020 March 7-9, 2021 (online) |
Held online due to Covid-19
|
Marcon 56 |
May 7–9, 2021 September 3-5, 2021 |
Carrie Vaughn, Sara Felix, Wolfgang Rumpf, The Blibbering Humdingers, Wreck the System. Postponed due to Covid-19
|
Marcon 57 |
May 6-8, 2022 |
Mary Turzillo, Mitchell Bentley, Tom Smith
|
Marcon 2023 |
May 26–28, 2023 |
David Weber, Jordan Breeding, Chaz Kemp, Carolyn Kay, James Young, Christopher Weuve, Patrick Chiles, Joelle Presby, J. D. Blackrose, Thomas Pope
|
Marcon 59 |
May 17–19, 2024 |
GoHs: TBA. Chair: Tony Gillian
|