Died in 1551

Feb 28 Martin Bucer a Protestant reformer based in Strasbourg who influenced Lutheran, Calvinist, and Anglican doctrines and practices. Bucer was originally a member of the Dominican Order, but after meeting and being influenced by Martin Luther in 1518 he arranged for his monastic vows to be annulled. He then began to work for the Reformation, with the support of Franz von Sickingen
Apr 6 Joachim Vadian a Swiss Humanist and scholar and also mayor and reformer in Gallen.
Apr 8 Oda Nobuhide a warlord and magistrate of lower Owari Province during the Sengoku period of Japan. His father was Oda Nobusada and Nobuhide was the father of Oda Nobunaga
May 8 Barbara Radziwiłł Queen of Poland and Grand Duchess of Lithuania as consort to Sigismund II Augustus.
May 17 Shin Saimdang a Korean artist, writer, calligraphist, noted poet, and the mother of the Korean Confucian scholar Yulgok. Often held up as a model of Confucian ideals, her respectful nickname was Eojin Eomeoni. Her real name was Yinsun. Her pennames were Saimdang, Inimdang and Imsajae
May 18 Domenico di Pace Beccafumi an Italian Renaissance-Mannerist painter active predominantly in Siena. He is considered one of the last undiluted representatives of the Sienese school of painting
Jul 4 Gregory Cromwell 1st Baron Cromwell an English Peer. He was the only son of the Tudor statesman Thomas Cromwell, 1st Earl of Essex by his wife Elizabeth Wyckes
Jul 13 John Wallop an English soldier and diplomat who belonged to an old Hampshire family from the town of Farleigh Wallop.
Jul 14 Henry Brandon 2nd Duke of Suffolk an English nobleman, the son of the 1st Duke of Suffolk, by his fourth wife, the suo jure 12th Baroness Willoughby de Eresby.
Jul 14 Charles Brandon 3rd Duke of Suffolk the son of the 1st Duke of Suffolk and the suo jure 12th Baroness Willoughby de Eresby.
Aug 8 Fray Tomás de Berlanga the fourth Bishop of Panamá.
Aug 12 Paul Speratus a Catholic priest who became a Protestant preacher and song-writer. In 1523, he helped Martin Luther to create the First Lutheran hymnal, published in 1524 and called Achtliederbuch
Aug 25 Christoph Schappeler a German religious figure, the preacher at Martin's in Memmingen during the early 16th century, during the Protestant Reformation and the German Peasants' War. He tended to side with the poor, causing the senate to regulate his sermons in 1516. However, by 1521 the climate had changed such that the senate was giving him support. When he was excommunicated in 1524, the senate refused to follow the bishop's order to have him banished
Aug 26 Margaret Leijonhufvud Queen of Sweden from 1536 to 1551 as the wife of King Gustav She belonged to the early Leijonhufvud clan of Swedish nobility.
Sep 30 Ōuchi Yoshitaka a daimyo of Suō Province and a son of Ōuchi Yoshioki.