In a nutshell, the Amish do in fact marry their cousins at times. There are a number of reasons for this — which we'll discuss further in the blog — but they basically boil down to the limitations that exist from the Amish way of life.

Do Amish have problems with inbreeding?

The Amish and Mennonite populations represent outstanding communities for the study of genetic disease for a number of reasons. There is a high degree of inbreeding, resulting in a high frequency of recessive disorders, many of which are seen rarely or are unknown outside of this population.

At what age do the Amish marry?

The Amish Community and Dating

Dating among the Amish typically begins around age 16 with most Amish couples marrying between the ages of 20 and 22. To find a prospective date, the young adults socialize at functions such as frolics, church, or home visits.