The term 'Presidential First Name' refers to the first names of the United States Presidents. The crossword solutions for this term are ULYSSES (7 letters), Theodore (8 letters), Hiram (5 letters), Ronald (6 letters), George (6 letters), HARRY (5 letters), Barack (6 letters), Dwight (6 letters), Grover (6 letters), and Zachary (7 letters). ULYSSES S. Grant was the 18th President of the United States, serving from 1869 to 1877. Theodore Roosevelt was the 26th President of the United States, serving from 1901 to 1909. Hiram ULYSSES Grant was the 22nd and 24th President of the United States, serving from 1885 to 1889 and 1893 to 1897. Ronald Reagan was the 40th President of the United States, serving from 1981 to 1989. George Washington was the first President of the United States, serving from 1789 to 1797. HARRY S. Truman was the 33rd President of the United States, serving from 1945 to 1953. Barack Obama was the 44th President of the United States, serving from 2009 to 2017. Dwight D. Eisenhower was the 34th President of the United States, serving from 1953 to 1961. Grover Cleveland was the 22nd and 24th President of the United States, serving from 1885 to 1889 and 1893 to 1897. Zachary Taylor was the 12th President of the United States, serving from 1849 to 1850.