Meaning and history
Scottish Gaelic form of Iohannes, the source of John.
20062006: 90 births, rank #1,605
2007: 85 births, rank #1,741
2008: 79 births, rank #1,838
2009: 95 births, rank #1,654
2010: 67 births, rank #2,037
20112011: 69 births, rank #1,988
2012: 69 births, rank #2,016
2013: 48 births, rank #2,528
2014: 59 births, rank #2,256
2015: 50 births, rank #2,486
20162016: 44 births, rank #2,726
2017: 35 births, rank #3,249
2018: 38 births, rank #3,055
2019: 43 births, rank #2,851
2020: 45 births, rank #2,728
20212021: 23 births, rank #4,362
2022: 27 births, rank #3,995
2023: 24 births, rank #4,343
2024: 25 births, rank #4,200
20252025: 11 births, rank #7,194
In 2025, 11 babies were recorded with the name Iain, ranking #7,194 among boys.