185 brothers, 285 total attendees, as of 6/25/2014.
| Lamda Year | Brother | Guest |
|---|---|---|
| 1938 | C. Richard Moffatt | |
| 1956 | Neal Barton | Carolyn Barton |
| 1957 | Bruce Johnson | June Johnson |
| 1958 | Dennis Dupier | Gayle Dupier |
| 1958 | Edward Roderick | Janice Roderick |
| 1958 | Werner Diekmann | Marcia Diekmann |
| 1958 | Joe Lacivita | Teresa Lacivita |
| 1961 | Chet Pelka | |
| 1962 | Joe Kelleher | |
| 1962 | Tonu Riismandel | Glenda Riismandel |
| 1963 | Donald R Bennett (Benny) | Linda Bennett |
| 1963 | Ted Adams | Kathy Adams |
| 1963 | Gary Sigai | June Sigai |
| 1964 | John Hendrick | Clare Crowell |
| 1964 | Russ Conklin | |
| 1965 | Andi Pennella | |
| 1965 | Paul Waehler | Lynn Waehler |
| 1965 | Ed Mahardy | Peggy Mahardy |
| 1965 | Bill Brown | Pam Brown |
| 1965 | Bob Calabrese | Kathie Calabrese |
| 1966 | Peter "Oz" Osborn | Claudia Osborn |
| 1966 | Dennis Carlone | Katie Carlone |
| 1966 | Tony "Pi" Pizza | |
| 1966 | Russell Fiscella | Carol Fiscella |
| 1966 | Angelo Corridori | Rosemary Corridori |
| 1966 | Pete Meyer | |
| 1967 | Tom Conroy | Lynn Conroy |
| 1967 | Rick Wolff | |
| 1967 | Mark Bruce | Kathy Bruce |
| 1967 | Roger Mike | Terry Clark |
| 1967 | Peter Hansen | Laurel Hansen |
| 1967 | Ron Sulewski | Marje Sulewski |
| 1697 | Bob Rudt | Cecilia Rudt |
| 1968 | James Nasternak | |
| 1968 | Robert B. Smith | Laura L. Brock |
| 1968 | Philip T. Woodrow | Lynn S. Woodrow |
| 1968 | Robert Miller | Donna Miller |
| 1968 | Jim Brugger | |
| 1969 | Greg Waddell | Marileen Waddell |
| 1969 | Chuck Szafir | Pat Szafir |
| 1969 | Michael McMahon | Debbie McMahon |
| 1970 | Joseph Nadler | Denise Nadler |
| 1970 | Jack Benson | Yvette Benson |
| 1970 | Dan Rockwell | |
| 1970 | Jeff Upchurch | |
| 1972 | Marc Schechter | Anne Schechter |
| 1972 | Michael O'Shea | Tess O'Shea |
| 1972 | Dan Golas | Gretchen Golas |
| 1973 | Bob Baldwin | Betty Baldwin |
| 1973 | Laurence DerGurahian | |
| 1975 | Gerard Baril | Annick Rossi |
| 1975 | Jeff Brody | Kathy Brody |
| 1976 | Jay Gordon | |
| 1976 | Michael Redden | Melanie Redden |
| 1976 | Kevin McGrath | Karen McGuiggan |
| 1976 | Marc Torrey | Judith Smith |
| 1976 | Larry Liese | |
| 1976 | Alan Zeigler | Tana Zeigler |
| 1976 | Dennis Shea | Ellen Shea |
| 1976 | Mark Sirota | |
| 1977 | Steve Bertone | |
| 1977 | David Ford | Denise Ford |
| 1977 | David Van Iderstine | Jean Marie Derderian |
| 1977 | Bob Featherstone | Wendy Featherstone |
| 1977 | Brian Jack | Ann Jack |
| 1977 | Bob Tobin | Chris Tobin |
| 1977 | Damon Rosenthal | |
| 1978 | Joel Bowers | |
| 1978 | Ronald Byer | Olga Byer |
| 1978 | Marvin Levine | |
| 1978 | Tom Wilderotter | Maureen Wilderotter |
| 1978 | Jerry Tarnacki | Lori Tarnacki |
| 1978 | Peter Balas | |
| 1978 | Greg Lynch | Connie Lynch |
| 1978 | Dave Abrey | Sue Abrey |
| 1979 | Dan Pulver | Lisa Pulver |
| 1979 | Jeff Rockwell | |
| 1980 | David Johnson | Joyce Johnson |
| 1980 | Rob Lambs Ivey | Linda Ivey |
| 1980 | Ed Green | Gina Green |
| 1980 | John Woodward | Mary Ann Forrest-Woodward |
| 1980 | Rob Mulligan | Barbara Rose Mulligan |
| 1980 | Brad Reger | Dan & Brian Reger |
| 1981 | David Gertler | |
| 1981 | Bob Miniutti | Elizabeth Minutti |
| 1981 | John Caddell | Maura McFadden Caddell |
| 1981 | Tom Jurus | Alicia Jurus |
| 1981 | Paul Falk | Annette Falk |
| 1981 | Paul Sedzia | |
| 1982 | Siegfried Obeldobel | |
| 1982 | Chris Argyrople | |
| 1982 | Phil Tatro | Katie Tatro |
| 1983 | Ted Dasher | Syma Lapides |
| 1983 | Gregg Schubach | |
| 1984 | Phil Mead | Nathalie Mead |
| 1986 | David DeForest | |
| 1987 | Hugh Porter | Ailing Cai |
| 1988 | Todd Hivnor | Chantra Melior |
| 1988 | Angelos Tzelepis | |
| 1988 | James P. Martin | |
| 1988 | Bryce Griffin | Donna J. Schue |
| 1988 | Ken Connor | |
| 1990 | Brian Rusch | Randee Rusch |
| 1991 | Rob Seeger | Kelly Seeger |
| 1992 | Scott Bryant | |
| 1992 | Dan Kacher | |
| 1992 | Bill Swallow | |
| 1993 | Jason Mutford | Barbara Heck |
| 1993 | Martin Carvalho | |
| 1993 | Reed Thomas Smith | |
| 1993 | Bert Sutcliffe | Cardella Sutcliffe |
| 1994 | Thomas Harrer | |
| 1994 | Carlton Hanna | |
| 1994 | Michael Buckley | |
| 1994 | John Darius Soltes | |
| 1994 | John K. Dyson | |
| 1994 | Daniel Lilavois | |
| 1994 | Kevin Mello | |
| 1994 | Mark Denley | Donna Denley |
| 1995 | Joey DiDonna | Julie DiDonna |
| 1996 | Ed Lehman | Leslie Lehman |
| 1996 | John Bensetler | Meredith Streeter |
| 1998 | Aaron Westendorf | Tiffany Westendorf |
| 1998 | Andrew Ratigliano | |
| 1999 | Jonathan Green | Ashley Green |
| 2000 | Nicholas Deplitch | Sarah Deplitch |
| 2000 | Jason Delp | Sheila Rhodes Delp |
| 2000 | Brent Blanchard | Melinda Ross Blanchard |
| 2001 | David Vance | |
| 2003 | Craig Leinoff | Shiina Akasaka |
| 2003 | Alexander Salinsky | Shanequa Lee |
| 2004 | Thomas Slaney | |
| 2004 | Rich Denton | Hannah Durschlag |
| 2005 | Josh Greenman | |
| 2005 | Richard Morris | |
| 2005 | Eric Haggstrom | Emily Haggstrom |
| 2005 | Nathan Mesick | |
| 2006 | Jonathan Babiec | |
| 2006 | Brian Keating | Sam White |
| 2006 | Nehal Patel | |
| 2006 | James Rajotte | |
| 2007 | Jonathan Williams | |
| 2007 | Christos Constantinou | |
| 2007 | Peter Ingulli | Morgan Graybill |
| 2008 | Dan Hildebrand | |
| 2008 | Patrick McAndrews | |
| 2008 | Kevin Canada | |
| 2009 | Ryan Mills | Kristin Mills |
| 2009 | James Fagan | Kate Todd |
| 2009 | Jason Ovalles | |
| 2009 | Max Cane | |
| 2009 | Alex Updegrove | |
| 2009 | Kevin Ehrlich | Beth Matonak |
| 2009 | Christopher Fuller | |
| 2009 | Max Barrett | |
| 2009 | Matt Hibbard | |
| 2010 | Alexander Nolet | |
| 2010 | Anthony C. Bishop | |
| 2010 | Ryan Clarke | |
| 2010 | Nikhil Deshpande | |
| 2010 | Kyle Brody | Rajani Deshpande |
| 2011 | Bojiang Jin | Flora Chen |
| 2011 | Daniel Henriques | Rebecca Citrin |
| 2011 | Paul Luther Heim O'Neil | |
| 2011 | Nicholas Choppa | |
| 2011 | Michael Agnew | |
| 2011 | Steven Alvarado | |
| 2011 | Nolan Caron | |
| 2011 | Jeffrey Chellis | |
| 2011 | Maruti Kolluru | |
| 2011 | Peter Marcellino | |
| 2011 | James Pressly | Christina Provenza |
| 2012 | Daniel Bulger | |
| 2012 | Christian Cervera | |
| 2012 | Jacob Derechin | |
| 2012 | Joe Dryer | |
| 2012 | Matthew Exley | Aubrey Kalashian |
| 2012 | Tony Harding | |
| 2012 | Charles W. Johnston | |
| 2012 | Charles Pasquale | |
| 2012 | Alec Sands | Reina Yasuoka |
| 2013 | Nicholas Cesare | |
| 2013 | Nanyou Guan | |
| 2013 | Jonathan Wyatt | |
| 2013 | Nathan James | Kiara Osolinsky |
| 2014 | Zunayed Abdullah | |
| 2014 | Barry Chau | |
| ???? | Claude Shuckers | |
| ???? | Charles Hochstein |