current
Projects
Lá Gaeilge: Irish Language Day at New York University
On April 18th, 2026, the Glucksman Ireland House will be hosting its bi-annual Irish language workshop to both introduce new learners to the beauty of the Irish language and to allow more advanced students to sharpen their conversational abilities.
Current Projects
Learn to speak the Irish Language with Vivienne
Learn Irish with Vivienne and start bringing Gaeilge into your life! Lessons are practical, upbeat, and focussed on confident practical conversation that you can apply real settings. Absolute beginners and rusty returners are equally welcome. One-to-one or groups workshops available, virtually or in-person!
Current Projects - Founder
Signature Socials
Founded by Vivienne Sayers O’Callaghan, Signature Socials LLC was born from the momentum of her own digital success. Signature is a creative agency and consultancy specialising in social media management, short form video content, website development and strategy for leaders seeking to build strategic digital presences and grow their online audiences.
'You can be whoever you want here if you want to climb the ladder'
Vivienne Sayers O'Callaghan, content creator, entrepreneur and Irish culture and language advocate, New York Vivienne Sayers O'Callaghan has mastered the 30-second pitch to get busy New Yorkers to listen. The classically trained soprano and fluent Irish speaker, originally from Co Cork, has quickly adapted to the faster pace of life in her new home city.
Vivienne Speaks with National Geographic on Nollaig na mBan
Vivienne features in National Geographic speaking about Nollaig na mBan and how a new generation is shaping the tradition through culture and community. After a journalist discovered Vivienne’s viral video(s) on the holiday, she was invited to share her perspective on how Nollaig na mBan has evolved from a quiet regional tradition in Cork and Kerry into a modern celebration of women, identity, and Irish cultural revival.
Irish lass in NYC goes viral on TikTok for explaining culture and language of Ireland
Vivienne Sayers O’Callaghan moved to Queens in 2023, and soon began posting videos on her page @vivienne_in_nyc. O’Callaghan’s ingenuity — mixed with some luck of the Irish — caused her page to explode, and within six months she had 150,000 followers. “I found this niche,” she said. “Then I solidified this amazing base of Irish and Irish-Americans globally, especially on the east coast of the US.


