Meaning and history
This name comes from the Latin Neptunus, whose meaning is unknown but may be related to the Indo-European root *nebh- meaning “wet, damp, clouds.” In Roman mythology, Neptune was the god of the sea and roughly equivalent to the Greek Poseidon. It is also the name of the eighth planet in the solar system.
20062006: no US SSA record for this spelling
2007: no US SSA record for this spelling
2008: no US SSA record for this spelling
2009: no US SSA record for this spelling
2010: no US SSA record for this spelling
20112011: no US SSA record for this spelling
2012: no US SSA record for this spelling
2013: no US SSA record for this spelling
2014: no US SSA record for this spelling
2015: no US SSA record for this spelling
20162016: no US SSA record for this spelling
2017: no US SSA record for this spelling
2018: no US SSA record for this spelling
2019: no US SSA record for this spelling
2020: no US SSA record for this spelling
20212021: 7 births, rank #9,714
2022: 9 births, rank #8,300
2023: no US SSA record for this spelling
2024: no US SSA record for this spelling
20252025: 8 births, rank #8,910
In 2025, 8 babies were recorded with the name Neptune, ranking #8,910 among boys.