The Recurring Cast
Character · The Laundry · 9 books

Mo O'Brien

Combat epistemologist, Bob's wife · Charles Stross

Mo O’Brien is a combat epistemologist and Bob’s wife.

Spoiler-free profile written for The Recurring Cast.

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Character facts

First appearance
The Atrocity Archives (2004)
Latest appearance
The Labyrinth Index (2018)
Books
9 (1 as lead, 8 major)
Series
Laundry Files
Author
Charles Stross
Circle
The Laundry

Where to meet Mo O'Brien

Mo O'Brien first appears in The Atrocity Archives (2004), in a major role, book 1 of the Laundry Files series.

Buy The Atrocity Archives

Every book with Mo O'Brien

In publication order, with the size of their role in each.

  1. 2004MThe Atrocity Archivesmajor role · Laundry FilesBuy
  2. 2006MThe Jennifer Morguemajor role · Laundry FilesBuy
  3. 2010MThe Fuller Memorandummajor role · Laundry FilesBuy
  4. 2012MThe Apocalypse Codexmajor role · Laundry FilesBuy
  5. 2014MThe Rhesus Chartmajor role · Laundry FilesBuy
  6. 2015LThe Annihilation Scorelead · Laundry FilesBuy
  7. 2016MThe Nightmare Stacksmajor role · Laundry FilesBuy
  8. 2017MThe Delirium Briefmajor role · Laundry FilesBuy
  9. 2018MThe Labyrinth Indexmajor role · Laundry FilesBuy

Appears most often with

CharacterBooks together
Bob HowardLaundry IT officer turned agent9
AngletonBob's ancient, terrifying boss5
Mhari MurphyBob's ex, later a vampire4
Alex SchwartzJunior Laundry agent2