De Young and his wife Katherine had five children: • Charles de Young (1881–1913) • Helen de Young (1883–1969), who married George T. Cameron (1873–1955) • Constance Marie de Young (1885–1968), who married Joseph Oliver Tobin (1878–1978) • Kathleen Yvonne de Young (1888–1954), who married Ferdinand Thieriot (1883–1920) • Phyllis D. de Young (1892–1988), who married Nion Robert Tucker (1885–1950) In 1884, De Young was shot by an irate businessman,
Adolph B. Spreckels, apparently due to a negative newspaper article, and survived the injury. De Young died on February 15, 1925; a Roman Catholic mass was held in St. Mary's Cathedral (he had converted to Catholicism after marrying his wife, Katherine I. Deane).
Legacy The M. H. de Young Memorial Museum in San Francisco's
Golden Gate Park, is named in his honor. According to his daughter, Helen de Young Cameron, de Young "loved objects. He was an incurable collector. He collected everything. He stored his collections at the Memorial Museum, where he would visit them at all hours. He took genuine delight in sharing them with the citizens of San Francisco, insisting that his museum never charge admission."
Descendants In 1956, one of De Young's grandsons, Ferdinand Melly Thieriot (1921–1956), the circulation director of
The Chronicle, and his wife Frances (1921–1956), were among the 46 killed aboard the when it was struck by the off the coast of
Nantucket. De Young was the grandfather of
Nan Tucker McEvoy (1919–2015), chair of Chronicle Publishing Company's board of directors until the 1990s. He is also the great-great-grandfather of actor
Max Thieriot (born 1988). His great-granddaughter, Kit Tobin, married society reporter and lawyer
George Whipple III. ==References==