It is not uncommon for Singer Featherweight purchasers to look for a Featherweight that was produced in a particular year, usually a birth year but not always. Some years of production are more difficult to find than others.
If you are looking for a Featherweight produced before 1933 you are out of luck as Featherweights were first produced in 1933. Black Featherweights were not produced after 1961 so for any year after that you are also out of luck.
Between 1933 and 1957 just over 1.75 million US model Singer 221 Featherweights were produced with some years having over 200,000 produced. The chances of finding a Singer 221 Featherweight between those years is very good.
Production of Singer 221 Featherweights in the USA stopped in 1957 but Canada continued producing black 221 Featherweight machines to be sold in both the USA and Canada until 1961. The numbers produced were very much smaller than had been produced previously in the USA. In 1958 Singer produced 5,500 Singer 221 Featherweights. In 1959 only 1500 Featherweight 221machines were made and in 1960 only 5000 221 machines were produced. In the final year of black Featherweight production, 1961, 10,000 Singer 221 machines were produced. From 1958 to 1961 only 22,000 Singer 221 Featherweights were produced. If you are looking for a machine in this date range, good luck. We do however occasionally have them for sale so be sure to check our stock. Canadian Featherweight 221 machines produced starting sometime in 1959 until the end of production had the desired red "S" badge above the "221K" badge.
Just under 110,000 Singer 222K Featherweights were produced for distribution around the world, mostly to the UK and British Commonwealth countries (this includes Canada). They were produced between 1953 and 1961. The years between 1954 and 1957 had the most 222K Featherweights produced but never more than 20,000 per year. In 1958 only 5000 Featherweight 222K machines were produced. No one knows how many of the Singer 222K machines of the approximately 110,000 produced were assembled and sold in Canada. Most were sold in the UK with Canada probably being the second largest market after the UK. How many are still around is anyone's guess.
There are several websites that give the serial numbers of Featherweights and their assigned dates of production such as https://singer-featherweight.com/blogs/schoolhouse/dating-your-featherweight-machine so there is no need for me to put a list in this blog.