Cillian Willis History
| Club | Country | Position | NO | From | To |
|---|---|---|---|---|---|
| Leinster | Ireland | Scrum Half | 01/08/2006 | 01/08/2008 | |
| Ulster | Ireland | Scrum Half | 01/08/2008 | 01/08/2010 | |
| Connacht | Ireland | Scrum Half | 01/08/2010 | 01/07/2011 | |
| Leinster | Ireland | Scrum Half | 01/07/2011 | 01/05/2012 | |
| Sale Sharks | England | Scrum Half | 01/11/2011 | 01/07/2013 |
NO = Player number .