On June 29, 1901, he married 17 year old
Linda Lee Thomas, a member of the prominent
Lee family of Virginia, at
Newport, Rhode Island. Linda, who was "known as one of the country's most beautiful women," was introduced to Thomas by friends and after their marriage, they lived a life of luxury, with houses in
Palm Beach, Manhattan, and Newport. They divorced on October 26, 1912 and she later remarried to well-known
musical theatre composer
Cole Porter. In 1912, on the day his first wife obtained her final divorce decree, he married Elizabeth Finley, a daughter of Henry Finley of New York City. Before their 1924 divorce in Florida, they were the parents of one son together: Samuel Finley Thomas (1913–1989), who became a medical doctor. In 1924, he married actress
Lucy Cotton, the daughter of Adelaide Wisby Cotton and Warren Jefferson Cotton. Together, they lived at 320
Park Avenue and were the parents of one daughter: Thomas died after a three day illness at the Harbor Sanitarium in New York City on July 6, 1926. He was buried at
Sleepy Hollow Cemetery in
Sleepy Hollow, New York. His daughter Lucetta inherited Thomas' fortune. ==References==