Clarence Mackay and daughter - Public domain portrait photograph

Photograph shows financier Clarence Hungerford Mackay (1874-1938) with his daughter Katherine at the wedding of Kathryn N. Steele and Mr. F. S. von Stade which took place on June 26, 1915 at the Church of the Advent, in Westbury, Long Island. (Source: Flickr Commons project, 2012 and the New York Times, June 27, 1915)
Title from data provided by the Bain News Service on the negatives or caption cards.
Forms part of: George Grantham Bain Collection (Library of Congress).
General information about the George Grantham Bain Collection is available at http://hdl.loc.gov/loc.pnp/pp.ggbain