[1] Born in Chicago, Illinois, Gilmore started his Minor leagues career in 1910 with the Denver Grizzlies, playing for them one year before joining the San Francisco Seals (1912), Buffalo Bisons (1912) and Fort Wayne Railroaders (1914).

No rookie until Philadelphia Phillies first baseman Dick Allen in 1964 would up 100 strikeouts with a higher batting average, when he hit .318 and was striking out 138 times.

[1][3] The next year Gilmore cut down his strikeouts to 44 and hit .285 in 119 games, while collecting 22 doubles, 15 triples and a career-high 47 RBI.

[1] In a two-season career, Gilmore posted a .286 average (269-for-941) with two home runs and 79 RBI in 258 games, including 47 doubles, 20 triples, 42 stolen bases and a .341 on-base percentage.

[1][2] In 1912, while playing in the minors, Gilmore was on his way to Buffalo after being released by the San Francisco Coast League team.