The Marie‐Claire Daveluy archives, held at Library and Archives Canada (LAC), attest to the important influence of this historian and woman of letters, but also to the bond that connected her to her readers. Discovered in the archives thanks to precise archival indexing, letters from admirers, both male and female, invite the idea of stardom into the analysis of her literary trajectory. Written between 1935 and 1966, the letters give rare access to the voice of young readers and contribute to a better understanding of their rapport with books and with reading. Revealing the reasons for the devoted admiration of Daveluy, this sub‐corpus also illuminates for us the conditions that enabled the crystallization of her auctorial stardom in the particular context of the 1940s, a time when she is present in various communication media. Finally, with regard to the issue of gender, these letters provide insight into ways young female readers identified with this unmarried woman who knew how to carve out a place for herself in a man’s world.