The name Dennys experienced peaks and valleys in popularity over the years. It started strong with 6 births in 1978 but dipped to an all-time low of 5 births in 2019. There were two notable surges in popularity, one from 1998 to 2002 (peak of 20 births in 1998) and another from 2006 to 2010 (peak of 18 births in 2009). However, since 2015, the name has seen a decline with fewer than 13 births each year.