Meaning and history
An Anglicized form of the Irish Aonghus, from Celtic elements meaning "one" and "choice," and also linked to the Irish inis, "island"; Ennis is the county town of County Clare. Irish uilleann piper Séamus Ennis (1919-1982), a key figure in the 20th-century revival of Irish traditional music, is a notable bearer of the surname.
20062006: 11 births, rank #6,904
2007: 11 births, rank #7,094
2008: 9 births, rank #8,324
2009: 14 births, rank #6,095
2010: no US SSA record for this spelling
20112011: 7 births, rank #9,600
2012: 9 births, rank #8,158
2013: 9 births, rank #8,118
2014: 8 births, rank #8,781
2015: 7 births, rank #9,568
20162016: 12 births, rank #6,726
2017: 15 births, rank #5,788
2018: 13 births, rank #6,345
2019: 5 births, rank #12,145
2020: 9 births, rank #8,067
20212021: 12 births, rank #6,698
2022: 11 births, rank #7,262
2023: 15 births, rank #5,927
2024: 15 births, rank #5,904
20252025: 8 births, rank #8,910
Ennis moved from #936 to #965 for boys between 1939 and 1943. Its highest annual birth count came in 1922, with 62 births.