What does Allan mean?
Allan /al-lan/ [2 sylls.] as a name for boys is of Old German and Gaelic derivation, and Allan means "precious". Allan is a variant transcription of Alan (Old German): from Adal. Allan is also a variant of Allen (Gaelic, Old German). See also Elvis.
How popular is Allan?
Allan is a very prominent first name for men (#250 out of 1220, Top 20%) and also a very prominent last name for all people (#3090 out of 150436, Top 2%). (2000 U.S. Census)
Shown below is the baby name popularity of Allan for boys. Allan reached its top rank of #147 in the U.S. during 1940-1949, and is currently at #720. (2014 Birth Statistics)
Al, Alan (#170 in 2014), Allen (#367), Allie, Allyn and Elvis are the popular related forms of Allan (#720 in 2014) ranked in the Top 1000. Forms like Alano are uncommon. These boy names were at the top of their popularity during the years 1950-1959 (usage of 0.5363%) and have become significantly less popular since (usage 0.249%, down 53.6%), with the versions Al, Allan, Allen, Allie and Elvis becoming somewhat outmoded. Alan (#170) is the most contemporarily stylish birth name in this list. Below is a graphed comparison of the popularity of the boy name Allan and corresponding names. (2014 Birth Statistics)
Allan▼ is pronounced similarly to Aloin, Aluin, Alwin, Alwyn, Eilan, Elan, Elian▲, Ilan and Wylan. Other recommended similar baby names are Alban, Aldan, Alvan, Arlan and Aslan. These names tend to be less commonly used than Allan.