Alaniz is of Spanish and Arabic origin, meaning 'of noble birth'. It is derived from the Andalusian Arabic name 'Al-anis', which is a compound of the elements 'al' meaning 'the' and 'anis' meaning 'pleasant, delightful'. The name Alaniz was popular among the Muslim nobility during the Moorish period in Spain. In later years, it has also been used as a surname due to its noble connotations.
The name Alaniz experienced fluctuations in popularity over the years, with peaks at 10 births in 2006 and 7 births in both 2010 and 2013. However, it seems to have been less favored in recent times, with only 5 births recorded each year from 2011 to 2014 and again in 2021. Overall, there were a total of 49 babies named Alaniz born between 2002 and 2021.