Most newspaper only have wedding announcements on particular days. You should figure out what day that is, then search for the engaged couple that is getting married. Or you can call your local newspaper.
Yes, local companies often advertise in local newspapers as they have wide coverage, therefore making it a useful tool for looking for jobs. However, you should also check the internet for job...
Most newspapers will often have some sort of classified section. In that classified section you will often find a 'wanted' section or a place which advertises jobs. Babysitting jobs will be listed...