Meaning and history
Jaci has more than one possible source. It may be a modern short form of Jacqueline or Jacinda, while Jací is also the name of the moon in Tupi and Guaraní tradition, often represented as a lunar deity. Brazilian footballer Jaci Antônio Louzada Tupi Caldas is a notable bearer.
20062006: 198 births, rank #1,212
2007: 183 births, rank #1,326
2008: 134 births, rank #1,664
2009: 146 births, rank #1,546
2010: 123 births, rank #1,703
20112011: 142 births, rank #1,540
2012: 117 births, rank #1,760
2013: 109 births, rank #1,849
2014: 115 births, rank #1,781
2015: 96 births, rank #2,039
20162016: 89 births, rank #2,168
2017: 78 births, rank #2,338
2018: 83 births, rank #2,217
2019: 81 births, rank #2,249
2020: 71 births, rank #2,441
20212021: 62 births, rank #2,751
2022: 66 births, rank #2,639
2023: 63 births, rank #2,730
2024: 50 births, rank #3,176
20252025: 58 births, rank #2,895
In 2025, 58 babies were recorded with the name Jaci, ranking #2,895 among girls.