Legend has it that Mr. McCrorey had the "e" legally extracted from his surname as a cost-cutting measure. With new stores opening practically every day, the savings incurred from one less letter on the sign would add up!
Photo from Wikipedia / "Infrogmation"

McCrorys' "5-10-25 cent Store" -in Syracuse, New York- is depicted on this vintage postcard.
Graphic from the Boston Public Library

An abandoned McCrory 5 & dime in Dekalb County, Georgia's AVONDALE MALL.
Photo from Wikipedia / "Etittle1978"