"Bay Ridger” is the name of an inhabitant of Bay Ridge, in the borough of Brooklyn. The name “Bay Ridger” has been cited in print since at least 1879.
An inhabitant of Bay Ridge is also called a “Ridgite.”
Wikipedia: Bay Ridge, Brooklyn
Bay Ridge is a neighborhood in the southwest corner of the New York City borough of Brooklyn, US It is bounded by Sunset Park on the north, Seventh Avenue and Dyker Heights on the east, The Narrows Strait, which partially houses the Belt Parkway, on the west and the Verrazano bridge on the south. While Fort Hamilton is often considered a separate neighborhood, it is part of Bay Ridge. Fort Hamilton and most of Bay Ridge share the ZIP code of 11209; the remainder is in 11220 (actually the Bay Ridge post office is in 11220). Bay Ridge is patrolled by the NYPD’s 68th Precinct. It is served by Engine 241, Engine 242, and Ladder 109 of the New York City Fire Department.
16 November 1879, New York (NY) Herald, “Lacrosse,” pg. 12, col. 5:
As the Bay Ridgers failed to show up the afternoon was devoted to exercise between members of the University club.
Google News Archive
24 January 1898, Daily True American (Trenton, NJ), “Bay Ridge Was Very Easy,” pg. 2, col. 2:
Bratton started the trouble of the Bay Ridgers after two minutes of play when he dropped the ball through the net for the champs’ first score.
Americans from Norway
By Leola Nelson Bergmann
Philadelphia, PA: J.B. Lippincott
The Bay Ridgers are substantial middle and working class people, officers of vessels, lighter captains, shipbuilders, carpenters, painters, and plumbers, with savings accounts, well-kept apartment homes, cars, and college educations for their children.
13 August 1970, Beckley (WV) Post-Herald, “Brooklyn Is Not One, But Many, Many Places” by Mel Heimer, pg. 4, col. 7:
Even Brooklynites don’t really know their own borough; it’s a rare Bay Ridger, for instance, who can tell you how to get to an address in Canarsie.
The Berlitz Travellers Guide to New York City
By Alan Tucker
New York, NY: Berlitz Pub. Co.
Much of the area still has a strong regional feel; inhabitants consider themselves Bay Ridgers or Williamsburgers or Park Slopers first, Brooklynites second, and the neighborhoods bear strong witness to several successive waves of immigrant history.
Marci Hom, Lifelong Bay Ridger
April 21, 2004 10:18 AM
The Prince of Brooklyn
By George Monemvasitis
Bloomington, IN: iUniverse
This too was consistent with the characteristics of other Bay Ridgers.