Canadian astronaut Chris Hadfield was also flaunting his Irish ancestry during his orbital St Patrick's Day.
On March 17th 2013, the commander of the International Space Station reveled in being the first person to take Gaelic into the cosmos.
He Tweeted several phrases in the Irish language, beginning with 'Maidin mhaith from the International Space Station! Happy Saint Patrick's Day to the Irish all around the globe. Good morning!' Then displaying further proficiency in Irish Gaelic, as hundreds of followers responded in kind. 'Maidin mhaith' translates as 'good morning'.
His Tweets also included a photograph of himself wearing the green on board the ISS.
As the 2013 St Patrick's Day celebrations gathered pace - on Earth and above - the astronaut had plenty more surprises in store. Just to prove that he was thinking of the ancestral homeland as much as any other Irishman, he snapped pictures of Tralee, Dublin and Cork, as the space station orbited over them.
Then rounded up his St Patrick's Day party in space with a recording of that most traditional song of the Irish Diaspora - Danny Boy.