Brian [bri-an]â¼ as a boys' name is pronounced BRY-en. It is of Celtic, Irish and Gaelic origin, and the meaning of Brian is high, noble. Could also mean strength. Historical: Brian Boru (10th century) was a warrior who became high king of Ireland and one of its greatest national heroes. He liberated the country from the Danes in 1014.
8 - 12 Years. Keep your child in a booster seat until he or she is big enough to fit in a seat belt properly. For a seat belt to fit properly the lap belt must lie snugly across the upper thighs, not the stomach. The shoulder belt should lie snugly across the shoulder and chest and not cross the neck or face.
Stephanie Tombrello. child passenger safety specialist. You can safely switch your child to a booster seat if she's at least 4 years old and she weighs 40 pounds or more or has grown too tall for her car seat (when her shoulders are higher than the top set of harness-strap slots in the car seat's back).hild passenger safety specialist. You can safely switch your child to a booster seat if she's at least 4 years old and she weighs 40 pounds or more or has grown too tall for her car seat (when her shoulders are higher than the top set of harness-strap slots in the car seat's back).