Jinger, 24, and Jeremy, 30, announced July 19 on their personal website they've welcomed their first child together, a baby girl.
"God is so kind! Jinger gave birth to Felicity Nicole Vuolo this morning at 4:37AM. Felicity weighs 8lbs. and 3oz. and is 19.5 inches long," the couple wrote.
"Both mom and baby are healthy, doing great, and resting well. We are very thankful for her safe arrival and look forward to life as parents!"
On Tuesday, Jinger hinted on Instagram she was anticipating going into labor soon. She captioned a photo of the parents-to-be, "Any day now we will be holding our little girl in our arms!"
Jinger revealed the baby's gender in April 2018, writing on her website in a statement, "We could not be more excited and are eagerly anticipating meeting our little lady this Summer."
The reality TV star added at the time, "We especially love thinking forward and realizing that she will have excellent role models in both of her grandmothers, who cannot wait to shower her with love."
The happy couple married in November 2016. Jinger and Jeremy exchanged vows in a romantic wedding ceremony at John Brown University's Cathedral of the Ozarks in Siloam Springs, AR, in front of approximately 1,000 family and friends.
Felicity Nicole will definitely have cousins to play with when she gets older. Jinger's sister Joy-Anna welcomed son Gideon with husband Austin Forsyth in February 2018, while her sister-in-law Kendra gave birth to son Garrett David with husband Joseph Duggar on June 8.
Jinger is one of Jim Bob Duggar and Michelle Duggar's 19 kids. She is the sixth eldest child and has been anticipating motherhood since her July 2016 engagement.
Jinger and Jeremy met in May 2015 through his friend and now brother-in-law Ben Seewald, who is married to Jessa Duggar. Jeremy popped the question just one month after the lovebirds had announced their courtship.
Counting On is set to return Monday, July 30, at 9PM ET/PT on TLC.