My column on Jeffrey
Here is the link:
https://omaha.com/lifestyles/cleveland-evans-dude-call-him-jeff-jeffrey-or-jefferson-if-youre-not-into-the-whole/article_3a5048b0-717b-11ed-b362-e79b2ecc1c3f.html
It was fascinating to me to see that Jeff was very common in the U.S. Census in the 19th century, but it was because of the use as Jefferson as a given name, while Jeffrey remained rare until the 1930s.
https://omaha.com/lifestyles/cleveland-evans-dude-call-him-jeff-jeffrey-or-jefferson-if-youre-not-into-the-whole/article_3a5048b0-717b-11ed-b362-e79b2ecc1c3f.html
It was fascinating to me to see that Jeff was very common in the U.S. Census in the 19th century, but it was because of the use as Jefferson as a given name, while Jeffrey remained rare until the 1930s.