Following is a list of brothers whose postal mail has been returned undeliverable to the last address on file. If you think you know the current permanent postal and/or email address, or personal information for these brothers, please email Alpha Theta Fraternity, Inc. 
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 17 Apr 10 |
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| ' | Stephen Allen |
| Howard Anthony | |
| Karl Bauer | |
| George Decoursey | |
| Robert Duke | |
| Fred Fitzgerald | |
| James Foley | |
| Jess Gheen | |
| Jacques Harang | |
| Robert John | |
| James Kearns | |
| Thomas Lee | |
| Charles Lyons | |
| Robert Matthews | |
| James McCoy | |
| Edwin McCrohan | |
| Janis Murnieks | |
| Ronald Nielsen | |
| George Robillard | |
| John Ross | |
| Jay Schwartz | |
| Peter Sheridan | |
| David Spitzer | |
| James Spratt | |
| Franklin Stern | |
| Ray Trussell | |
| Peter Usda | |
| David Willets | |
| Thomas Woodell | |
| '18 | Ralph Gray |
| '26 | William Stover |
| '29 | Elmer Caudill |
| '31 | Edward Horn |
| '34 | James Digby |
| '35 | George Fraser |
| '37 | Philip Groben |
| '40 | James Harding |
| '41 | John Groff |
| Robert Lawrence | |
| '43 | Walter Gunther |
| '44 | Ralph Hansen |
| '47 | Rogers Thackaberry |
| '50 | Elmer Guran |
| John Hornyak | |
| Edwin Koch | |
| '53 | Robert Diener |
| Alfred Wegener | |
| '54 | Allan Christensen |
| Robert Gilbert | |
| '56 | Oreste Cavalieri |
| Peter Curtiss | |
| '57 | Roger Bloemeke |
| '58 | Thomas Leonard |
| John Webb | |
| '59 | Peter Stocky |
| '60 | John Berry |
| Jere Bruno | |
| Paul Newcomb | |
| '61 | Edward Thompson |
| '62 | James Fowler |
| '64 | Edward Aigeltinger |
| '66 | Charles Staples |
| '70 | William Fowler |
| Arthur Maurello | |
| '71 | John Prentice |
| '73 | Dave Burns |
| Edward Burzycki | |
| '74 | Charlie Treichler |
| Michael Walker | |
| '75 | Mark Hu |
| '78 | Jeff Fairchild |
| Jim Kopp | |
| '81 | Dave Carlson |
| '82 | Craig Rhoads |
| '84 | Morgan Dempsey |
| '85 | Edward Castillo |
| Howard Spira | |
| '86 | Adam Cohen |
| Clifford Dragonetti | |
| Lars Fuchs | |
| David George | |
| Chris Markham | |
| Karl Schmidt | |
| '87 | James Spencer |
| '88 | Chris Graham |
| James Kresge | |
| '89 | Dane Fernandes |
| Chuck Kelly | |
| Jim Levitan | |
| Scott Passman | |
| '90 | Kevin Dukes |
| '91 | Otis Curtis |
| '93 | Jason Brand |
| Chris Perez | |
| '94 | Rob Claypoole |
| '95 | Carlos Medina |
| Evan Moss | |
| Adam Shapiro | |
| '97 | Sunny Feniger |
| Dan Hest | |
| Jason Rivera | |
| '99 | Larry Klecha |
| Ian Smith | |
| '00 | Jeff Birnbaum |
| Josh Elkin | |
| Brian Kabot | |
| Emanuel Sepulveda | |
| Vor Vudthithamrong | |
| '01 | Nick Dyner |
| '02 | Ben Anderson |
| Chapin Durling | |
| Scott Hirschfield | |
| James Jaeger | |
| Steve Price | |
| Allan Zapadinsky | |
| '03 | Dan Lachs |
| Josh Little | |
| '04 | Stephen Luby |
| '05 | Ari Heckman |
| '06 | Cory Fulton |
| '10 | Daniel Hollenberg |
| '11 | Dan Funt |
| Ben Heller | |
