My Featherweights are :1951 Annie(for anniversary model),1948 Maggie May (like the Rod Stewart song),1957 Patty for the woman I bought it from and 1961 tan is Freddie for the man I bought it from.
The treadles are :Singers: 1968 237 zig zig is Sofia(just like the name),1949 15-90K is Karie,1936 201K is Randy,1916 66-1 red eye is Ruth for my grandma,1955 Pfaff model 60 is Gertrud for my Auntie a lovely German girl.
Most often I name my machines for the person that I buy them from.
Sharon W.