| First Name | Last Name | Name at Spannocchia | City | State / Province | Country | Program Date(s) |
|---|---|---|---|---|---|---|
| Erica | McCoy | Port Angeles | WA | United States | 2015 Summer | |
| Blake | McCartney | Portland | ME | United States | 2016 Summer | |
| Liam | McAvoy | Giuseppe | Bozeman | MT | United States | 2017 Fall |
| Ben | Mattingly | New Haven | CT | United States | 2007 Fall | |
| Olivia | Massfeller | Scotch Lake | NB | Canada | 2022 Summer | |
| Allea | Martin | Portland | OR | United States | 2010 Fall | |
| Scout | Marshall | Kansas City | MO | United States | 2014 Summer | |
| Helen | Margolis | Bellevue | WA | United States | 2024 Spring | |
| Shannon | Mai | Tampa | FL | United States | 2023 Spring | |
| Sarah | MacPhail | Sarah Haggarty | Santa Rosa | CA | United States | 1994, 1995 summer & fall |
| Lindsay | MacNail | Bremerton | WA | United States | 2004 Winter | |
| Rosie | MacGibbon | Rosie Broadley | London | London | United Kingdom | 2004 |
| Daniel | Lyman | Portland | OR | United States | 2008(?) | |
| Toby | Lunt | Madison | WI | United States | 2009 Fall | |
| Joe | Lucci | Freeport | ME | United States | 2006 | |
| Haley | Lowell | Haley Harwood | Freeport | ME | United States | Summer 2008 |
| Christopher | Lonigro | Portland | OR | United States | 1994 Summer | |
| Maris | Linder | Maris Linder | Townshend | VT | United States | 2023 Fall |
| James | Lewis | Mentor | OH | United States | 1996 Fall, through 1997 | |
| Johanna | Leslie | Orono | ME | United States | 2022 Spring | |
| Gabrielle | Leone | Hampton | NH | United States | 2003 Summer | |
| Bowman | Leigh | Missoula | MT | United States | 2012 Fall | |
| Lauren | Lee-Lewis | Lauren Lee | Norman | OK | United States | 2008 Summer |
| Meg | Lee | Riverton | UT | United States | 2022 Spring | |
| Vivian | Le | Kernersville | NC | United States | 2022 Summer | |
| First Name | Last Name | Name at Spannocchia | City | State / Province | Country | Program Date(s) |
