This site has many great discussions on this same question. Do an advanced search (advanced so you can select the BC section only) and you’ll get some great discussion.
Some good replies include:
http://talk.collegeconfidential.com/discussion/comment/17082812#Comment_17082812
http://talk.collegeconfidential.com/discussion/comment/15285521/#Comment_15285521
http://talk.collegeconfidential.com/discussion/comment/15563902/#Comment_15563902
http://talk.collegeconfidential.com/discussion/comment/14639367#Comment_14639367
http://talk.collegeconfidential.com/boston-college/1264548-what-does-really-mean-bc-jesuit.html?highlight=religion
http://talk.collegeconfidential.com/boston-college/1301903-religion.html?highlight=religion
In short, it’s a non issue.