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See Homepage. This page: Find out more about the 'SD' series of registration numbers, used in the Ayrshire area.

SD series of older car registration numbers.

Registration letters >> SD series
This page lists registration number codes from the SD series, a series allocated to the Ayrshire area. Also included, where known, are the date periods that these car registration numbers were used in. The data covers the period of 1900 through to 1972, so registrations seen on later cars wouldn't necessarily be included in this information.

Interpreting a car's registration number.

The majority of post-war car numbers incorporate a three letter code - where this is the case, letters 2 and 3 signify the location code. So, for instance, a car with the registration number 638 GSD or TSD 512D would be a Ayrshire-issued number. A car with just two letters, ie SD, would also be from this area. Listed below are the known SD series registrations, with added information (where available) describing when each series was first used, and in a few cases, when it came to an end. Some letter codes were used for more than one period during the 20th Century. This information can be invaluable when trying to date vehicles seen in old photographs, or in old films for instance.
Also if your car has lost it's original registration, perhaps sold off by a previous owner as a "cherished" number, this information will help you find a suitable replacement, or at least identify which series would be suitable, based on the age of your car and where it was first registered.
SD Registrations - Ayrshire.
Reg. Letters Year Letter Start -> End Date (if known)
ASD B AUG 1964 ->
ASD AUG 1942 ->

BSD C JAN 1965 ->
BSD MAY 1947 ->

CSD C MAY 1965 ->
CSD MAR 1949 ->

DSD D JAN 1966 ->
DSD C NOV 1965 ->
DSD JAN 1951 ->

ESD D MAR 1966 ->
ESD NOV 1952 ->

FSD D JUL 1966 ->
FSD FEB 1954 ->

GSD E FEB 1967 ->
GSD JAN 1955 ->

HSD E JUN 1967 ->
HSD OCT 1955 ->

JSD F NOV 1967 ->
JSD JUL 1956 ->

KSD F MAR 1968 ->
KSD JUN 1957 ->

LSD G AUG 1968 ->
LSD MAR 1958 ->

MSD G JAN 1969 ->
MSD NOV 1958 ->

NSD G MAY 1969 ->
NSD JUN 1959 ->

OSD H OCT 1969 ->
OSD JAN 1960 ->

PSD H MAR 1970 ->
PSD JUL 1960 ->

RSD M NOV 1973 ->
RSD J AUG 1970 ->
RSD JAN 1961 ->

SD JAN 1904 -> NOV 1925

SSD J DEC 1970 ->
SSD JUL 1961 ->

TSD J MAY 1971 ->
TSD MAR 1962 ->

USD K AUG 1971 ->
USD AUG 1962 ->

VSD K DEC 1971 ->
VSD MAR 1963 ->

WSD K APR 1972 ->
WSD JUL 1963 ->

XSD L AUG 1972 ->
XSD JAN 1964 ->

YSD L OCT 1972 ->
YSD MAY 1964 ->
Return to the main vehicle registrations page.

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