David S. Lansdown moved into Carthage from his farm after the death of his wife Nancy, living at 801 East 3rd Street.
Before retiring, he had been a farmer and also a grocery man. He was 86 years old at the time of his death. Causes of death were attributed to gangrene, La Grippe (viral flu) and maladies of senility.
The death certificate can be viewed online at Missouri Digital Archives/death certificates online website.
Funeral arrangements were cared for by Knell Undertaking Company and burial was next to his wife in Park Cemetery. 
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Archive article from...

CARTHAGE EVENING PRESS
JUNE 23, 1892

A GOLDEN WEDDING

Fifty years ago yesterday David St. Clair Lansdown and Nancy Ann Tyree were married at the quiet country home of an uncle in Carter county, Kentucky and now, after all those eventful years, they celebrate their golden wedding at their quiet country home, four miles west of this city.
After marriage, Mr. and Mrs. Lansdown continued to reside in Kentucky till the breaking out of the war, when, taking a strong stand against secession, they went to Ohio, thence to Illinois and from there to Kansas, where they resided thirteen years. From Kansas they came to this county thirteen years ago and settled upon the farm where they now reside.
They are the parents of fifteen children, only eight being alive - five girls and three boys - all but three of these being present to congratulate their parents on their long life together.
The couple are still hale and hearty and have every assurance that they will live to celebrate their diamond wedding, surrounded by a host of grandchildren.
In response to a special invitation a representative of this paper drove out to the Lansdown place, where he found nearly one hundred friends and neighbors gathered in the shade on the lawn and tables set, loaded down with bountiful supply of all the good things the friends in the country know so well how to prepare.
At about 2:30 p.m. Mr. Wharton, acting as master of ceremonies, called the assembly to order and appointed Mr. and Mrs. Jame Hickman to escort the groom and bride to the vacant seats reserved for them; when Mr. Perry Finn, in neat and appropriate words, accompanied with some excellent advice to the "young couple" about to take so important a step in life, performed the ceremony. Congratulations and dinner, interspersed with vocal and instrumental music, now followed in regular order.
Among the presents received, we noticed the following; Two pair of gold rimmed spectacles from J. B. and M. E. Lansdown, a $5 gold piece from a daughter, Mrs. E. C. Price, of Tremont, Nebraska.
Gold and silver fruit spoon, Mr. and Mrs. J. Shellenbarger and Mr. and Mrs. Jas. Burrows; gold lined cup, John P. Smith; gold napkin ring, Lawrence Smith; and Dr. Clark Leggett; fruit dish, Mr. and Mrs. P. Finn; colored glass water pitcher and glasses, Wharton and Hickman families; glass water service, Mr. and Mrs. Fred Munch; two gold breast pins, J. W. and L. F. Lansdown.
Mr. Lansdown has a 90 acre farm, all in cultivation; ten acres being devoted to orchard, that he is managing to success, and the family have the respect, conficence and well wishes of all who knew them.
Among the cakes served for dinner was a gold cake made by Mrs. Lansdown, as she made cake fifty years ago when soda, baking powder and such devices were unknown. It was praised and admired by all.