Celeste Marie MacFadden (1900–1974) was first married to Jack Holden and was the mother of Jackie Holden (1924–), a pupil at Beacon Hill School. Celeste in 1932 married "Kohler of Kohler, Wisconsin, supporter of McCarthy", as a note by BR states. He was Walter J. Kohler, Jr. (1904–1976), like his father a Governor of Wisconsin. Celeste in 1946 became Mrs. C.M. MacFadden. Her full maiden name was Marie Celeste McVoy.

She donated her Russell letters to McMaster. With them she included several items of her correspondence with the University of Chicago Library.

"Thursday after lunch"

"It is silly to write again, & I have nothing to say..."

The copy of this letter was replaced with the original in 2026. 

"After breakfast at thy desk".

Alys wants to find the address in Paris of a flower painter named Rivoire.

The copy of this letter was replaced with the original in 2026. 

"Wednesday evening"

The copy of this letter was replaced with the original in 2026. 

A two-page letter entitled "On the Date of our Marriage". This letter was found with BR's 1894 letters to Alys; thus it is assumed Alys is the intended recipient. It is unclear if Alys received this letter.