Bentlie is of English origin, derived from the surname Bentley, which originally denoted someone who lived near a road or track covered with bent grass.
The name Bentlie has seen fluctuations in popularity over the past decade, with a peak of 23 births in 2010 and a dip to just 5 births in 2019. Overall, there have been 150 babies named Bentlie between 2007 and 2019.