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In my experience the two terms seem interchangeable, but undoubtedly there is a difference between a family's crest and its coat of arms. What is it?

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See answers to previous question… – Sue Adams Nov 6 '12 at 19:00
up vote 10 down vote accepted

There is no such thing as a family crest nor a family coat-of-arms.

A crest is the device the device/object attached to the top of the helm (helmet). The coat-of-arms is the armiger's device portrayed upon the shield.

The crest is one component of a coat-of-arms, which can be used as a simplified symbol when the full coat-of-arms is too detailed e.g. on engraved cutlery.

Confusion between the priviledge or right to have a coat-of-arms and the actual arms has lead to an understandable wide-spread misapprehension. The actual coat-of-arms is the personal property of the holder.

The right to bear arms is heritable, so the sons and in some circumstances, daughters of the person who has had arms granted to them, can also use a coat-of-arms. However, only one person owns a particular coat-of-arms, so during his lifetime, sons use a slightly different version of the arms. Such differenced arms have extra charges added to the shield, the colours are changed, or some other modification is made. Only rarely is the crest part of the coat of arms modified, so all the sons have different coats of arms that include the same crest. In England at least, no crest has ever been granted that was not part of a coat of arms.

The rules for differencing are complex and each country that grants arms has different rules.

In Scottish Heraldry, the concept exists of a crest badge - "As a mark of allegiance to their chief, members of a clan are permitted to wear a clansmen's badge, consisting of their chief's crest surrounded by a strap and buckle device on which the chief's motto is inscribed" (See Wikipedia).

As the right to have a coat-of-arms is associated with power and influence, there is a long history of mis-use. Commercial companies promote the idea of a family crest or coat-of-arms to sell merchandise depicting coats-of-arms. For discussions on this topic, see Dick Eastman's Online Genealogy Newsletter, e.g. this posting).

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For an example of what Sue means by a crest badge, look at my Gravatar. – Fortiter Nov 7 '12 at 0:45

From the Oxford English Dictionary:

Coat of Arms

Heraldic insignia or devices. coat armour = ‘coat of arms,’ originally a vest of silk or other rich material embroidered in colours, worn over the armour of a knight, to distinguish him in the lists or on the field of battle.


Heraldry. A figure or device (originally borne by a knight on his helmet) placed on a wreath, coronet, or chapeau, and borne above the shield and helmet in a coat of arms; also used separately, as a cognizance, upon articles of personal property, as a seal, plate, note-paper, etc.

From Wikipedia:

Coat of Arms

A coat of arms is a unique heraldic design on a shield or escutcheon or on a surcoat or tabard used to cover and protect armour and to identify the wearer.


A crest is a component of an heraldic display, so called because it stands on top of a helmet, as the crest of a jay stands on the bird's head.

A crest is only part of the coat of arms. See this Wikipedia page for the full list of the parts of a coat or arms.

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The College of Arms in London, which is a branch of the Royal Household, is the official repository of coats of arms (for English, Welsh, Northern Irish and Commonwealth families). They have an FAQ section on their site, which includes a colored illustration of crests without their shields.

The College of Arms states that "a crest is a specific part of a full achievement of arms: the three-dimensional object placed on top of the helm."

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The crest is only a small part of the "coat of arms" design. See Crest for further details.

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We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

It would be great if you could share some of the details here rather than sending users off to another site for the details. – Robert Cartaino Nov 6 '12 at 23:56

Often when people had jewelry or silverware engraved, they would only use the family crest, as the entire coat-of-arms was very detailed, and would be too small to make out, or too expensive to engrave.

Although there is no such thing as a "family" coat-of-arms, there are family crests. A man can passed down his coat-of-arms, and his sons and grandsons will "difference" the CHARGE (the symbols on the shield), but usually the CREST (the portion above the helmet) remains the same for the entire clan.

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@Sue Adams, Your edit significantly changed the original intent of this answer so I had to roll it back. But you should feel free to include your information in an answer of its own. Thanks. – Robert Cartaino Nov 13 '12 at 23:10
@RobertCartaino How do I retrieve my modifications? – Sue Adams Nov 13 '12 at 23:21
@SueAdams Click on the timestamp just after where it says 'edited' above. Go to your edit and click 'source' to see the complete text. – Robert Cartaino Nov 13 '12 at 23:26

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