The fleur-de-lis has been used for centuries. Whether used as a royal decoration, a religious symbol, or a simple decoration, it has a rich history.
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I have a small fleur de lis silver brooch( about the size of a $1 Australian coin.) which belonged to my great grandfather, a Scotsman.His surname was Meudell ( born 1831) and we have never found out whether the name was of German or French origin.
The fleur-de-lis is a french symbol, so I am almost sure that Meudell would be a french name.
I hope this helps you,