S. Leslie Thompson was born in Proctorsville, Vermont, on October 1, 1863, being the son of Samuel L. and Alsada E. (Flint) Thompson. The father was born in New Braintree, Massachusetts, in 1843, enlisted in the Fourth Vermont Infantry, on September 17, 1861, and was discharged on May 1, 1862, on account of disability. Mr. Thompson came west and is now justice of the peace in Lewiston. The mother of our subject was born in Oakham, Massachusetts, and died in 1890. The father's people are Scotch and English and the mother's ancestors were Scotch. Our subject grew to young manhood in Massachusetts and there received his education. When twenty, he came to Lewiston, and in 1886 engaged with the firm of Vent & Butler, remaining in their drug store for fifteen years. This excellent service demonstrates the stability and good business qualities of Mr. Thompson and he has won a position in the business and social realm of Lewiston that is highly enviable. In 1901, Mr. Thompson formed a partnership with Mr. Fair and opened his present business, where he is having a thriving patronage and is being prospered. He handles all lines of art goods and artists' materials and supplies and is also doing a good trade in Indian curios and selected goods.

On November 16, 1892, Mr. Thompson married Ida Bunnell Walker, daughter of D. L. Bunnell, a well known hardware merchant of Lewiston. Mr. Bunnell was born in New York and died in 1888. He was a pioneer of Oregon. Mrs. Thompson was born in Oregon in 1863 and has one brother, Oscar C. Mr. Thompson has two brothers and two sisters, Moses W., William H., Hattie Mudge, Ella M. Snell. William H. is a member of the New Hampshire legislature. Two children have been born to Mr. and Mrs. Thompson, Waldo B., aged eight, and Edith, aged six. Mr. Thompson is fraternally allied with the K. P. and the W. W. He is a Republican and active in the campaigns.