 Daniel  was married on February 20, 1889  to Julia de Wolf Gibbs (1866–1952) an American writer.
<meaning-changed>  Daniel  was married on February 20, 1889  to Julia de Wolf Gibbs (1866–1952) an American writer.
 Daniel was married on February 20, 1889 , in Beverly, Massachusetts, to Julia de Wolf Gibbs (1866–1952) an American writer.