He built up an extensive legal practice and became a member of the Council, and later President, of the Incorporated Law Society of Ireland.
He was also a director of the Hibernian Bank and of the Great Southern Railways, and an active social welfare worker and member of the Catholic Society of Saint Vincent de Paul.
At the second 1910 general election in December, he defeated a fresh Unionist candidate, Reginald Herbert, by the bigger margin of 3,594 to 2,765.
Politically, Brady was described by Patrick Maume (1999) as a conservative who took a pro-employer stance in the 1913 Dublin lock-out led by James Larkin.
[2] Among those who attended his funeral at the Church of the Assumption, Booterstown, Dublin in May 1943 was his former opponent Éamon de Valera, by that time Taoiseach.