The M.M. (Michael Maurice) O’Shaughnessy photograph collection, 1887-1986, consists of photographic prints, film negatives, reports, albums, cartoons, lantern slides and ephemera relating to M.M. O’Shaughnessy’s professional life as a civil engineer, working first as a consultant in private practice, and later as City Engineer of San Francisco. The bulk of the collection documents the construction of the Hetch Hetchy Water Supply system, which O’Shaughnessy directed during his tenure as City Engineer of San Francisco. In addition, there is material relating to his personal life and family.

Michael Maurice (M. M.) O’Shaughnessy was born in Limerick, Ireland, on May 28, 1864, the son of Patrick and Margaret (O’Donnell) O’Shaughnessy. One of nine children, he was educated in the public schools in Ireland, and attended Queen’s College, Cork, and then in Galway. He graduated with honors from the Royal University, Dublin on October 21,1884, and received the degree of Bachelor of Engineering.

9 cartons, 10 volumes, 4 oversize boxes, 8 oversize folders, 6 boxes (negatives), 2 sleeves (strip negatives), 1 object 90 digital objects (91 images)

COLLECTION STORED, IN PART, OFF-SITE: Advance notice required for use. RESTRICTED NEGATIVES: Use of negatives only by permission of the appropriate curator. OVERSIZED "--H" RESTRICTED DUE TO SIZE: Advance notice required for use.