His death certificate records Evert Stamper, age 33 years 6 months 11 days, born 18 March 1892 in Ky, died 7 Oct 1925 in Rowan Co., Ky, occupation clay miner, married, father Samuel Stamper, mother’s maiden name Martha Sublett, cause of death accidental death by premature blast in clay mines, informant Sam Stamper, burial in Williams Cemetery.

His gravestone is inscribed Everett L. Stamper, with the birthdate 18 March 1894, which is more consistent with census records.

Dates are from her gravestone, next to that of her daughter Bertie. I cannot find her in the Ohio death records. According to her memorial on FindaGrave, mother and daughter died in the same month in a typhoid epidemic.

Rowan Co., Ky marriage book 8, p. 52, records the marriage on 19 Apr 1913 of Evert Stamper, age 19, farmer, residence Vale, born in Elliott Co., son of S. S. and Martha Stamper, to Fannie Walker, age 17, residence Vale, born in Rowan Co., daughter of J. D. and Sarah Walker, by S. J. Porter at his house, witnesses Manda Pelfrey and Amanda Morris.