List of parishes in Louisiana. The U.S. state of Louisiana is divided into 64 parishes (French: paroisses) in the same way that 48 other states of the United States are divided into counties. Alaska, the other exception, is divided into boroughs and census areas instead. Forty-one parishes are governed by a council called the Police Jury.
For more on the phenomenon, and other insights into longevity, check out The Longevity Project here. In a study published this past May in the journal Aging, researchers from Albert Einstein College of Medicine and Yeshiva University pinpointed several personality traits linked to a longer lifespan.
Longevity refers to the characteristics of the relatively long life span of some members of a population. Moreover, because life expectancy is an average, a particular person may well die many years before or many years after their expected survival. The term  maximum life span  has a quite different meaning and is more related to longevity.