Official Scorer (1874)

Mr. Fenno, the official scorer of the Boston nine, has furnished the following record of the individual players, which shows the successes and failures of each in the various positions:The Boston Daily Globe, November 16, 1874, p2

Previous earliest use (Dickson Baseball Dictionary, 3rd edition, 2009):
1ST USE. 1875. “The base ball reporter of the Republican and the official scorer of the St. Louis Base Ball Club are one and the same person” (St. Louis Globe-Democrat, June 26).