| # | Name | Town/City | Date |
|---|---|---|---|
| 301 | John Callister | Ballasalla | May 10, 2013 |
| 302 | Anthony Hall | Douglas | May 10, 2013 |
| 303 | Emma Poyntz | Laxey | May 10, 2013 |
| 304 | Anonymous | Ramsey | May 10, 2013 |
| 305 | Katie Hill | Leeds | May 10, 2013 |
| 306 | Richard Corlett | Isle of Man | May 10, 2013 |
| 307 | Anonymous | Port St Mary | May 10, 2013 |
| 308 | Deirdre O'Mahony | Cork | May 10, 2013 |
| 309 | stephanie craig | douglas | May 10, 2013 |
| 310 | Andrew Dixon | Port Erin | May 10, 2013 |
| 311 | David Patrick | Port Erin | May 10, 2013 |
| 312 | Anonymous | ballasalla | May 10, 2013 |
| 313 | Fiona Brown | Ramsey | May 10, 2013 |
| 314 | Colleen Hawkins | Cullompton | May 10, 2013 |
| 315 | Amy Fargher | Douglas | May 10, 2013 |
| 316 | Anonymous | Kirk Michael | May 10, 2013 |
| 317 | Fiona Imlach | Earby | May 10, 2013 |
| 318 | Kev T Brown | castletown | May 10, 2013 |
| 319 | Elinor Rooks | Manchester | May 10, 2013 |
| 320 | Gabriele Watkins | Isle of man | May 10, 2013 |
| 321 | Phil Reynolds | Douglas, Isle of Man | May 10, 2013 |
| 322 | Sophie Maddox | Douglas | May 10, 2013 |
| 323 | Kirsten Robinson | Douglas | May 10, 2013 |
| 324 | Anthony Bird | London | May 10, 2013 |
| 325 | James Rae | Ramsey | May 10, 2013 |
| 326 | Ellan Kelly | Ramsey | May 10, 2013 |
| 327 | Ellan Kelly | Ramsey | May 10, 2013 |
| 328 | rebecca brew | ramsey | May 10, 2013 |
| 329 | S S Le Vesconte | Crawley | May 10, 2013 |
| 330 | Zoe Ellis | Castletown, Isle of Man | May 10, 2013 |
| 331 | Anonymous | Douglas | May 10, 2013 |
| 332 | Mary Nathan | Peel | May 10, 2013 |
| 333 | Joanne Blakemore | Douglas | May 10, 2013 |
| 334 | Gwenaël Styles | Douglas | May 10, 2013 |
| 335 | Liza Rossiter | Douglas | May 10, 2013 |
| 336 | Sam Loughrey | Glasgow | May 10, 2013 |
| 337 | Ryan Kelly | Douglas, Isle of Man | May 10, 2013 |
| 338 | Joanne Ewan | Douglas | May 10, 2013 |
| 339 | Lindsay Rowe | Castletown | May 10, 2013 |
| 340 | Rob McDowall (Chair, LGBT Network) | Glasgow | May 10, 2013 |
| 341 | Jane Short | Douglas | May 10, 2013 |
| 342 | michael bell | onchan | May 10, 2013 |
| 343 | vince aven | Telford | May 10, 2013 |
| 344 | Klaudia Grzelak | Whitburn | May 10, 2013 |
| 345 | L Blake | Manchester | May 10, 2013 |
| 346 | julie morrison | peel | May 10, 2013 |
| 347 | Anonymous | Douglas | May 10, 2013 |
| 348 | Jamie Christian | Ramsey | May 10, 2013 |
| 349 | Warren Dickson | Plymouth | May 10, 2013 |
| 350 | Anonymous | onchan | May 10, 2013 |
- S/C/P - State, County or Province
- Dates displayed in the signature list are based on UTC/GMT
- Anonymous signatures signify people who have chosen not to display their names publicly
- A comment in gray indicates that the signer has hidden their comment from public view