Which version is better?with its source forms and related boy names. Alexander (#8 FROM CURRENT RECORDS), Alistair (#1031) and Alister (#1815) are the prominent alternative forms of Allistair (NOT RANKED) appearing in the Top 2000. Other forms, like Alyster, are uncommon. These forms of Allistair were favored by parents 22 years ago (AVERAGE #1340) and are almost as popular today (#951, ▼26%). Alexander is more familiar than the rest, although Alistair appears to be gaining favor too. (2015 U.S. SSA RECORDS)
Allistair is pronounced similarly to Alistaire. Other recommended names are Abishai, Achishar, Aguistin, Alair, Alisdair, Allain, Allgar (see Alger), Allison, Allisoun, Allston, Allstonn, Alltair, Allvar, Aloisio, Alstin, Altaer, Altair, Altayr, Amishar, Amitai, Aristio, Artair, Avishai, Avishar and Ellair. Like Allistair, these names are not commonly used.See names in meaning and etymology.