What are the first and surname shared by the father and son that won early British Open championships in the 1860s and 70s?

More interesting reading and links of interest

• They won four championships each, eight between them.  Old Tom Morris won in 1861, 1862, 1864, and 1867. Young Tom Morris then took over winning in 1868, 1869, 1870, and 1872.
• During his career Old Tom Morris worked as greenskeeper and professional at St. Andrews for 39 years.
• Young Tom Morris won his first championship at the age of 17. He had great potential but died at the age of 24.
• Old and Young Tom Morris are both buried in the churchyard of ST Andrew’s Cathedral.
• Both men are included in the World Golf Hall of Fame. This entry is for Old and this one for Young Tom Morris.