Background
Slattery, John Lawrence was born on September 2, 1878 in Flemington, New Jersey, United States. Son of Michael and Margaret (Purcell) Slattery.
Slattery, John Lawrence was born on September 2, 1878 in Flemington, New Jersey, United States. Son of Michael and Margaret (Purcell) Slattery.
Bachelor of Philosophy, Lafayette College, 1901. Student New York Law School.
Began practice in North Dakota, 1903. Moved to Montana, 1904. Company attorney, Valley County, Montana, 1907-1908 and 1913-1914.
Member Montana Senate, term 1919-1923. United State Attorneys District of Montana, 1921-1926.
Member Delta Kappa Epsilon, Knights of Columbus.
Married Lear E. Humphrey, February 14, 1906.