Jill Michelle Dillard (nee Duggar) is the fourth child, and second daughter of Jim Bob Duggar and Michelle Duggar. She is 24 years old.

Jill married Derick Dillard on June 21, 2014. The couple is expecting their first child, a boy, in March 2015. On April 6, 2015, Jill gave birth to a son named Israel David. Jill was in labor for 70 hours and ended up having an emergency C-section.

Since July 18, Jill, Derick and Israel have been on a mission trip in El Salvador.

On September 16, 2015, Jill became a certified midwife.

After the cancellation of 19 Kids and Counting, Jill and sister Jessa are set to star in their own three part special, Jill and Jessa: Counting On. The series will air on December 13, 20 and 27.