Have a look at the Chamber of Commerce/Faillte Ireland Westmeath Tourism site created to inform visitors of the events of the day and the facilities and attractions in the locality:
http://www.webcraft.ie/joedolan/
We have it from local sources that the recent success of Discover Mullingar will be hopefully repeated with a Farmers Market and Street Festival day on 6th December 2009, we hope to see crowds on the streets again, with plenty of good local food, hospitality and entertainment for old and young.