Meaning and history
Meaning uncertain; it may have been inspired by the fictional place name Arlo Hill in Edmund Spenser’s poem The Faerie Queene (1590), with Spenser probably deriving Arlo by altering the real Irish place name Aherlow, meaning “between two highlands.”
20062006: 73 births, rank #1,856
2007: 95 births, rank #1,621
2008: 101 births, rank #1,571
2009: 157 births, rank #1,156
2010: 184 births, rank #1,047
20112011: 220 births, rank #915
2012: 274 births, rank #811
2013: 354 births, rank #681
2014: 518 births, rank #537
2015: 579 births, rank #501
20162016: 977 births, rank #349
2017: 1,092 births, rank #316
2018: 1,268 births, rank #277
2019: 1,323 births, rank #271
2020: 1,701 births, rank #220
20212021: 1,990 births, rank #190
2022: 2,220 births, rank #169
2023: 2,307 births, rank #158
2024: 2,490 births, rank #146
20252025: 2,443 births, rank #148
Arlo moved from #146 to #148 for boys between 2024 and 2025. Its highest annual birth count came in 2024, with 2,490 births.