Sally figured the boy fell from the window in 1944 or so, because she was moving to the “big girls” dormitory that day. Girls usually moved when they were 6, though residents of St. Joseph’s Orphanage in Burlington, Vermont, did not always have a clear sense of their age — birthdays, like siblings and even names, being one of the many human attributes that were stripped from them when they passed through its doors.
https://www.buzzfeednews.com/article/christinekenneally/orphanage-death-catholic-abuse-nuns-st-josephs
https://www.buzzfeednews.com/article/christinekenneally/orphanage-death-catholic-abuse-nuns-st-josephs