Garrick Mallery (Wilkes-Barre, Pennsylvania, April 25, 1831 - October 24, 1894) was an American ethnologist specializing in Native American sign language and pictographs. Mallery received an excellent early education and was prepared by a private tutor for his entrance into his father's alma mater, Yale College, where he matriculated in his fifteenth year. He graduated in 1850. Three years later, he received the degree of LL.B. from the University of Pennsylvania. In the same year he was admitted to the bar in Philadelphia and commenced practice there. He devoted some of his leisure time to editorial and literary work, and was steadily advancing in professional standing when the Civil War began in 1861. His father was Judge Garrick Mallery, who was born April 17, 1784, and graduated at Yale College in 1808. He was a member of the Pennsylvania legislature from 1827 to 1830, and was distinguished for the zeal with which he promoted prison reform. In 1831 he was appointed judge of the third judicial district, composed of the counties of Berks, Northampton, and Lehigh. He resigned from the bench in 1836 and removed to Philadelphia, where he practiced as a lawyer for many years. He died in Philadelphia on the 6th of July, 1866. Garrick's mother, the judge's second wife, was descended from John Harris, Jr., the founder of Harrisburg, and from William Maclay, one of the first United States Senators from Pennsylvania.