Bartlett was born in
Grafton, Massachusetts on September 10, 1847. His parents were Agnes Fredericka Herreshoff Williard and William Osborne Bartlett, a successful lawyer. He graduated from the
Brooklyn Polytechnic Institute in 1865. He then attended
Harvard University, graduating in 1869. Barlett attended
Columbia Law School in 1869 and graduated in one year. He was admitted to the bar in 1870. He continued his legal studies under
James Bryce at
Exeter College, Oxford in 1870 and 1870, before returning to Columbia Law School and graduating in 1873 with a A.M. and P.L.D. ==Career==