His grand nephew Cathiravelu Sittampalam was the first Cabinet Minister of Posts and Telecommunications in the independent Sri Lanka.
In the 19th century, Visvanathar son of Vinayakar, who descended from Canagasekara Kothanda Kuriyan, abandoned the prestigious Kuriyan title as no longer relevant under the British and became known as an entrepreneur for leasing large extends of crown land at Ariyalai for salt production on large scale.
He functioned as a magistrate and district judge and was the first editor of Tamil Journal "Inthu sathanam" and founder of the Saraswathy library.
Leonard Woolf, the British Civil Servant, author of the classic 'Village in the jungle' and husband of Virginia, a member of the Bloomsbury set ( which included Keynes, the economist) published in his autobiography a letter from Casipillai as a testimonial of his own (Woolfs) standing among Tamils.
Casipillai worked closely with Sri Arumuga Navalar in promoting Hinduism, and functioned as secretary of the Saiva Paripalanai Sabey and was a co-founder and subsequent manager of Jaffna Hindu College.