David Maryanayagam Swamidoss Pillat (born 1905 in Vallambury - died July 16, 1969 at Kumbakonam Diocese) was an Indian clergyman and prelate for the Roman Catholic Diocese of Vellore. He was appointed bishop in 1956.Catholic Hierarchy website He succeeded Bishop Pablo Mariaselvam.
During his time as bishop he oversaw the construction of seven churches, fifty chapels, nine presbyteries and seven convents; his motto was ‘Let Jesus and Mary Reign’. Vellore Diocese: The Second Bishop
He was succeeded by Bishop Royappan Antony Muthu. Union of Catholic Asian News website, Diocese of Vellor
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