Identified by letter.
Visiting from Hart, Michigan, Sibyl Moore, daughter of Mr. and Mrs. Perry Moore, was age 13 years old and perished in the terrible fire at the Iroquois theater. She, along with eight other members of the Benjamin Moore family perished in the fire. Her father, Perry Moore, was on his way home from Alaska.
Chicago Tribune (Chicago, Illinois) · 1 Jan 1904, Fri · Page 2
The Inter Ocean (Chicago, Illinois) 02 Jan 1904, Sat, page 3
McCurdy, D. B. (1904). Lest We Forget: Chicago's Awful Theater Horror. Chicago: Memorial Publishing Company, accessed https://www.gutenberg.org/files/39280/39280-h/39280-h.htm, p 136
https://www.findagrave.com/memorial/73688076/syble-moore