Eugenie de Guerin

It was for Maurice that, in addition to her constant correspondence with him by letter, she began in 1834 her journal, which was sent to him by portions as it was finished. After his death she tried to continue it, addressing it to "Maurice in heaven." --Matthew Arnold, Eugenie de Guerin, Essays: Literary and Critical (1906), pp. 80-81, Internet Archive


Recommended reading:
by Eugenie de Guerin at Reading Rat