Meaning of the name Alastair
Alastair \a-las-tair, al(a)-stair\ as a girl's name (also used as boy's name Alastair), is of Greek origin, and the meaning of Alastair is "man's defender". Scottish variant of Alexander.
Alastair has 3 variant forms: Alasdair, Alastrina and Alastriona.
Baby names that sound like Alastair are Alesta and Alista.
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