OTOH, if I am using a hammer and hit my hand and yell my own name, I am not swearing but expressing frustration with myself. So I suppose Jesus could have hit his finger and yelled “Jesus Christ” and he would not have been using the Lord’s name in vain.
DISCLAIMER: Catholic Answers has turned over the archive to Catholic-Questions.org and no longer owns, manages, or moderates the forums. For additional apologetics resources please visit www.catholic.com.