Meaning and Name Origin
Aldan \a-ldan, al-dan\ as a boys' name. Aldan's root is Old English, and the meaning of Aldan is "old friend". Aldan is a variation of Alden (Old English): surname used as a given name, though unusual. Rarely used as a given name for baby boys.
Aldan is a rare first name for males. Aldan is also a unique last name for all people. (2000 U.S. Census)
Below is a charted comparison of the popularity of the boy name Aldan and related names. Popular alternative forms of Aldan (#unlisted) ranked in the Top 1000 are Al, Alden (#715 last year) and Elden. Adoption of these boy names reached its most widespread during 1910-1919 and is now much lower, with the forms Al and Elden becoming less trendy. Alden (#715) is the most trendy birth name in this list, with this name having a rebound in usage. (2014 Birth Statistics)
Aldan is pronounced similarly to Aldon and Eldon▼. Other suggested similar baby names are Adan▲, Aedan▼, Aidan▲, Alan▲, Alban, Allan▼, Alten, Altman, Alton▼, Alvan and Aydan▼. These names tend to be more commonly used than Aldan.