Birr

Proper noun

 * , originally named Parsonstown.
 * , originally named Parsonstown.
 * , originally named Parsonstown.

Statistics

 * According to the 2010 United States Census, Birr is the 25255th most common surname in the United States, belonging to 981 individuals. Birr is most common among White (93.58%) individuals.

Etymology
Compare 🇨🇬.

Noun

 * 1)  pear
 * 2)  lightbulb
 * 3)  head, bonce, noggin
 * 1)  head, bonce, noggin