 Ramba uchiverenga ndima iyi - Drennan paakadzoka kekutanga kubva kuDublin muna 1807, William Bruce akaedza kuyananisa. Akakumbira Drennan kuti apinde muBelfast Literary Society yake, asi Drennan akaramba. Shamwari yake John Templeton baba veIrish botany akanga atobuda muSosaiti pane kubvuma kuvapo kwaDr. James MacDonnell. Pashure pokunge Robert Emmet amuka zvisina kubudirira, muna 1803 MacDonnell akaita chinyoreso chepachena chekubatwa kwaThomas Russell, uyo aive shamwari yavo uye akazoiswa. Panzvimbo pezvo, naTempleton uye mutsigiri weQuaker John Hancock, Drennan akatanga kubudiswa kweBelfast Monthly Magazine. 