The producers had originally planned for it to be- but they decided against it before filming of the pilot episode took place. It remained unknown until the final season when it was suddenly revealed- Angus.
His first name is finally revealed in Good Knight MacGyver (Season 7) as it turns out to be Angus- a name he is not entirely pleased with.
Stacey Behlmer's birth name is Stacey Endres.
Stacey Halprin's birth name is Stacey Harperin.
Stacey Winkler's birth name is Stacey Weitzman.
Stacey Mack's birth name is Stacey Lamar Mack.
Stacey Kalkowski's birth name is Kalkowski, Stacey Rochelle.
Stacey Danger's birth name is Stacey Lynn Miller.
Stacey Toten's birth name is Stacey Rae Toten.
Stacey Stillman's birth name is Stacey E. Stillman.
Stacey Sund's birth name is Stacey Ann Sund.
Ben Stacey's birth name is Benjamin Thomas Stacey.
Beth Stacey's birth name is Elizabeth Kate Stacey.