From the March, 1933 issue of Erie Railroad Magazine:
W. McClure, age 78, Marion Division engineer of Huntington, IN, has been retired on special allowance after serving the Erie 44 years and eleven months.

From the October, 1944 issue of Erie Railroad Magazine:
We congratulate William McClure, retired engineer, who on Sept. 1 celebrated his 90th birthday. "Mack" says he expects to celebrate his 100th and that seven children, 20 grandchildren and five great-grandchildren will help him.

From the October, 1954 issue of Erie Railroad Magazine:
William L.G. McClure, Huntington, Ind., a retired Erie locomotive engineer, observed his 100th birthday Sept. 1 (1954). Mr. McClure, a railroader for 58 years, came to the Chicago & Atlantic railway (now the Erie) from the Burlington road in 1888 and took up residence in Huntington that year. He retired in 1933 at the age of 79. He was active until about four years ago.

From the March, 1956 issue of Erie Railroad Magazine:
William L.G. McClure, 101, a retired Erie locomotive engineer, died Jan. 30 (1956) at his home in Huntington, Ind. He had been a railroader for 58 years, 45 years of that time with the Erie. He retired in 1933 at the age of 79.