Stephen B. Kelleher

Stephen Barnabus Kelleher (1875–1917) was an Irish mathematician who served as Erasmus Smith's Professor of Mathematics at Trinity College Dublin (TCD) from 1914 to 1917.

Early life and career Kelleher was born on 11 June 1875 at 25 King Street, in Cork City, to William Kelleher (an accountant) and Helena Walsh. He attended Christian Brothers schools in the city and then studied mathematics at Queen's College Cork (BA 1895, MA 1896). Moving to Dublin, he took another mathematics degree at TCD (BA 1902, large gold medal), where he became a Scholar in 1900 and became a Fellow in 1904 (and MA 1905). In 1910 he was appointed assistant to the Professor of Natural Philosophy there, and in 1914, he was appointed Erasmus Smith's Professor of Mathematics. He died on 18 August 1917, due to sarcomatosis asthenia.

Family On 22 December 1910, he married Isabel Marion Johnston (of a Derry family) in London.