Alejos is an uncommon given name of Spanish origin, derived from the surname 'Álvarez', which itself stems from the medieval Germanic personal name 'Adalwig'. The name's meaning can be attributed to the Germanic elements 'adal' meaning noble and 'wig' meaning war. Alejos may also have variant spellings such as Alajos in Hungarian or Alcalojs in Basque. It is important to note that while not widely used, this name has been carried by some notable historical figures.
The name Alejos appears to have had periods of popularity and decline over the years from 1923 to 1981. The peak years for this name were 1942 with 11 births and 1950 with 7 births. However, there are also several years where only 5 or fewer babies named Alejos were born. Overall, a total of 92 children were given the name Alejos during these years.