Background
Ratnayake was born May de Livera to John de Livera, one of six siblings, in Kandy.
Ratnayake was born May de Livera to John de Livera, one of six siblings, in Kandy.
In her childhood, she attended local schools, then went on to medical school at Ceylon Medical College in Colombo. She graduated with her Doctor of Medicine in 1916.
After obtaining her degree, she worked at the American Mission Hospital in Jaffna, then moved to Lady Havelock Hospital. She was a fellow at the Royal Free Hospital for Women from 1925-1927. That year, she became a surgeon at Lady Havelock Hospital.
She was a fellow at the University of Edinburgh Medical School for a year from 1932-1933.
After her fellowship, she was promoted to chief surgeon, and joined the faculty at the medical school of the University of Ceylon. Foreign most of her career, she was part of the Medical Women"s International Association.