Illa is of Hebrew origin and means 'the Lord is my God'. It's also a variant spelling of the female name Ila, which itself has several origins including Arabic, Slavic, and Native American. Illa is typically used as a feminine given name, but it can also be used as a surname.
The given statistics show the number of births with the name Illa over a period of approximately 125 years, from 1898 to 2023. The name's popularity appears to have fluctuated significantly throughout this time. In the early years, there were fewer than 10 births per year on average, but this number began to increase around the start of World War I in 1914.
The peak period for Illa as a given name seems to have been between approximately 1924 and 1935, with more than 40 births recorded each year during this decade. The highest single year was 1926 with 58 births. After World War II, however, the popularity of the name began to decline once again.
Since the late 1980s, there has been a slight resurgence in the number of Illa births, with peaks seen in recent years such as 2022 (22 births). Overall, since 1898, there have been a total of 1782 births registered with the name Illa.