In addition, Arlo is a variant transcription of Charles (English and French).
Arlo is rather popular as a baby boy name, and it is also viewed as trendy. The name's popularity has been increasing since the 2010s. At the modest height of its usage in 2016, 0.048% of baby boys were given the name Arlo. It was #349 in rank then. In 2016, within the family of boy names directly linked to Arlo, Charles was the most frequently used. It was 7 times more frequently used than Arlo in that year.
† Pronunciation for Arlo: AA as in "odd (AA.D)" ; R as in "race (R.EY.S)" ; L as in "lay (L.EY)" ; OW as in "oak (OW.K)"