Merry was the nickname of Meriadoc Brandybuck in the Lord of the Rings trilogy. He was a Hobbit and one of the Fellowship of the Ring. At Gondor, he became a squire to Théoden. He helped Éowyn kill the Witch King of Angmar. He was awarded a knighthood for his bravery.
Merry Pemberton was a character in the D.C. Comics universe.
Merry is an English name that means 'Happy'. Merry appeared in the SSA's top 1000 names for most years between 1920 and 1969, but hasn't ranked since then. It ranked highest in 1954 when it was #468. In 2011, the name Merry was given to just 15 girls.