Alastair - Name Meaning and Origin

The boy's and girl's name Alastair \a-las-tair, al(a)-stair\ is of Greek origin, and its meaning 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.

Alastair is a very rare female first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the girl's name Alastair. Click here to compare Alastair with related baby names.