She was married to the Cambridge-educated philanthropist Sir Ernest de Silva.
She, together with her husband Sir Ernest, considered to be the wealthiest man in Ceylon, constructed a temple and two major schools in Sri Lanka.
Along with Mrs. H.M. Gunasekera, she started the inaugural orphanage in Sri Lanka: 'The Gamini Matha'.
Lady de Silva was the inaugural President of the All Ceylon Women's Buddhist Congress.
Her daughter, Sita, married Construction Magnate Mr. U.N. Gunasekera.