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Mo

Diminutive of Maureen, Irish variation of Mary, Hebrew

"bitter"

Clare Green

Updated Tue Feb 03 2026

Show me Mo as a boy's name →

Mo Origin and Meaning

Variation of Maureen

Famous People Named Mo
The name Mo in Pop Culture
The name Mo in Nameberry Blog Posts

Famous People Named Mo

Maureen Ann "Mo" Collins
American actress
Maureen E. "Mo" Gaffney
American actress/comedienne
Marjorie "Mo" Mowlam
English politician
Maureen "Mo" Oldman aka Laila Morse
English actress
Maureen Catherine "Little Mo" Connolly
American tennis player
Mo Hayder
British novelist
Melissa Linda "Mo" Martin
American golfer
MØ
stage name of Karen Marie Aagaard Ørsted, Danish singer,songwriter
Lily Mo Sheen (b. 1999)
daughter of actors Kate Beckinsale and Martin Sheen

The name Mo in Pop Culture

Maureen "Mo" Johnson
character in musical RENT
Maureen "Mo" Brown
character in the Mortal Instruments series by Cassandra Clare

The name Mo in Nameberry Blog Posts

One-Syllable Middle Names

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Introducing the Nameberry App

Find your perfect baby name together with our new mobile app.

Swipe through thousands of names with your partner
Names you match on are saved to your shared list
Get personalized recommendations that learn based on your and your partner's preferences
Partner with friends and family to find names you all love
Backed by Nameberry's 20 years of data around name preferences.

Sign up to be notified when the app launches and to receive a discount on full access.