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

IY series of older car registration numbers.

Registration letters >> IY series
This page lists registration number codes from the IY series, a series allocated to the Louth 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 GIY or TIY 512D would be a Louth-issued number. A car with just two letters, ie IY, would also be from this area. Listed below are the known IY 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.
IY Registrations - Louth.
Reg. Letters Year Letter Start -> End Date (if known)
AIY JAN 1964 ->

BIY JUL 1964 ->

CIY MAR 1965 ->

DIY OCT 1965 ->

EIY JUL 1966 ->

FIY MAR 1967 ->

GIY OCT 1967 ->

HIY JUN 1968 ->

IIY DEC 1968 ->

IY DEC 1903 -> OCT 1954

JIY JUN 1969 ->

KIY FEB 1970 ->

LIY JUL 1970 ->

MIY MAR 1971 ->

NIY OCT 1971 ->

OIY APR 1972 ->

PIY SEP 1972 ->

RIY FEB 1973 ->

SIY JUN 1973 ->

TIY NOV 1973 ->
Return to the main vehicle registrations page.

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