Walter Del Mar (May 28, 1862, New York City – April 10, 1944, New York City) was a banker, stock broker, journalist, world traveller, and author of travel books.
His father was the economist and historian Alexander Del Mar, a New Yorker from a Marrano family.
[1] Walter Del Mar had thirteen siblings, of whom two sisters and four brothers survived to adulthood.
There he established his own banking firm, which became the London representative for several important American companies.
[3] Walter Del Mar bequeathed his letters, business papers, travel writings, and photograph albums to the New York Public Library.