Editing Ida Rentoul Outhwaite (section)

== Early life ==
Ida Rentoul was born in [[Carlton, Victoria]], the youngest child of four and second daughter of the Rev. [[John Laurence Rentoul]],<ref name=adb /> an Irish-born [[Presbyterian Church in Ireland|Presbyterian]] minister and academic, and his wife Annie Isobel (née Rattray). At the time of her birth, her father was a professor at [[Ormond College]], [[University of Melbourne]], and later moderator-general of his church between 1912 and 1914. When [[World War I]] broke out, he became chaplain-general of the [[First Australian Imperial Force]].<ref name='DAB1'>{{cite book | last1 = Serle | first1 = Percival | author-link1 = Percival Serle | title = Dictionary of Australian Biography | url = https://archive.org/details/in.ernet.dli.2015.185065 | chapter = Rentoul, John Laurence (1846–1926) | publisher = Angus and Robertson | year = 1949 | location = Sydney, NSW| quote = The younger daughter, Ida Sherbourne, afterwards Mrs Outhwaite, became well known as an illustrator of fairy tales.}}</ref>

She was educated at [[Presbyterian Ladies' College, Melbourne]]. After she married Arthur Grenbry Outhwaite on 8 December 1909, she was generally known as Ida Rentoul Outhwaite. Before this, she had variously signed her work '''I.S.R.''' and at some point changed this to '''I.R.O.''' She also occasionally used '''I.S.R.O.''' and full spellings rather than abbreviations.