I have created a list of the McKearin Historical Flask Groups. This chart will help in identifying the major flask groupings. I also keep the BLASKE COLLECTION, The Edmund & Jayne Blaske Collection of American Historical Flasks handy for reference.
The McKearin Historical Flask Groups
Numbers 1 through 61 are Washington Flasks, Numbers 62 through 79a include Adams, Harrison, Jackson and Taylor, Numbers 80 through 93 are Lafayette, Numbers 94 through 98 are Franklin, Numbers 99 through 107a are Jenny Lind. Other portrait flasks are listed in molds 111 through 131
There are 144 molds in American Eagle flask group
There are 18 Cornucopia molds in this flask group
There are 43 molds in the Masonic flask group
There are 12 Railroad flasks in this group
There are 7 flask molds for the Baltimore Monuments
There are 6 molds in this Cabin flask group
Tom Haunton officially extended this group and added molds as documented in his book, Tippecanoe and EG Booz, Too
There are 30 flasks in the Sunburst group
There are 52 in the Scroll group
33 flasks include Good Game, Sloop, Murdock & Cassel, Summer/Winter, Jared Spencer, American System, Stoddard Flag among others.
This was the final group as documented in American Glass. The following groups were added with the publication of American Bottles and Flasks and Their Ancestry:
There are 54 molds in the Pike’s Peak flask group
There are 43 molds listed in this group
There are several unlisted flasks known
The group includes over 90 flasks including Flora Temple, Horseman/Hound, Sheaf of Wheat, Baltimore Glass Works/Anchor and others.
The are 9 flasks in the Traveler’s Companion Group
There are 28 mold in the Lettered flask group
These are mostly flasks with embossing indicating a particular glass works.