Sebastyan is of Latin origin and means 'venerable'. It is derived from the Roman family name Sebastianus, which was a popular given name among early Christians. The name gained prominence through Saint Sebastian, a 3rd-century martyr venerated in the Catholic Church. Variants of Sebastyan include Sebastian, Sébastien, Sebastián, and Sebastiano, each with their own slight variations in spelling and pronunciation across different languages.
The name Sebastyan appears to have seen a notable increase in popularity between 2000 and 2021, with a total of 104 babies given this name over the period. There was an especially significant spike from 2014 onwards, where the number of births steadily climbed from 12 in 2014 to a peak of 11 in both 2017 and 2018 before dropping slightly to 6 in 2020 and then rising again to 8 in 2021. The years 2003, 2005, and 2004 (not included in the data) appear to have been less popular for this name, with no births recorded during these periods.