This is what Google says about protecting your online privacy…

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Counteract negative information with useful, positive information

Sometimes, you may not be able to get in touch with a site’s webmaster, or they may refuse to take down the content in question. For example, if someone posts a negative review of your business on a restaurant review or consumer complaint site, that site might not be willing to remove the review. If you can’t get the content removed from the original site, you probably won’t be able to completely remove it from Google’s search results, either. Instead, you can try to reduce its visibility in the search results by proactively publishing useful, positive information about yourself or your business.

You can publish or encourage positive content in a variety of ways:

• Address customer complaints. Some websites allow the company in question to post a reply addressing the complainant’s issues. If a customer writes a negative review of your business, you could ask some of your other customers who are happy with your company to give a fuller picture of your business.
• Publish content you like. If a blogger is publishing unflattering photos of you, take pictures you prefer and publish them in a blog post.

Keeping personal information out of Google