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Date Your Singer Sewing Machine

Singer Sewing Machines were first manufactured in 1851. The manufacture dating provided here on our Web site is reproduced from the original Company register number log books. Because we have not been able to locate the log books, serial numbers for the years 1851 to 1870 are not available at this time.

Serial numbers on Singer sewing machines manufactured prior to 1900 are numbers only. After 1900, the machine serial numbers have a single or two-letter prefix. The tables are divided into these three categories:


No Letter Serials


Single Letter Prefix

Factory Locations by Prefix Letter

A - Podolsk, Russia
B - Elizabeth, New Jersey USA
C - Wittenberge, (Prussia)
D - Elizabeth, New Jersey USA
E - Podolsk, Russia
F - Clydebank, Scotland
G - Elizabeth, New Jersey USA
H - Elizabeth, New Jersey USA
J - Clydebank, Scotland
K - Elizabeth, New Jersey USA
L - Elizabeth, New Jersey USA


M - Clydebank, Scotland
N - Elizabeth, New Jersey USA
P - Clydebank, Scotland
R - Clydebank, Scotland
S - Clydebank, Scotland
S*- Podolsk, Russia
(*100 "S" machines made in Podolsk)
T - Podolsk, Russia
V - Clydebank, Scotland
W - Bridgeport, Connecticut USA
X - Clydebank, Scotland
Y - Clydebank, Scotland



Double Letter Prefix

Factory Locations by Prefix Letters

AA to AT - Elizabeth, New Jersey USA
BA to BY - Elizabeth, New Jersey USA
CA to CY - Bogota, Colombia
DA to DY - Karachi, Pakistan
EA to EY - Clydebank, Scotland
FA to FY - Clydebank, Scotland
GA to GY - Clydebank, Scotland
HA to HY - Istanbul, Turkey
JA to JE - St. Johns, Newfoundland Canada
KA to KY - Buenos Aires, Argentina
LA to LY - Taytay, Philippines




MA to MY - Monza, Italy
NA to NC - Anderson, South Carolina USA
ND to NY - Taichung, Taiwan
PA to PY - Karlsruhe, Germany
RA to RY - Campinas, Brazil
SA to SN - Bonnieres, France
SP to SY - Lima, Peru
TA to TY - Utsunomiya, Japan
VA to VY - Penrith, NSW Australia
WA to WY - Santiago, Chile
YA to YY - Queretare, Mexico