The contents of this Register are intended for research purposes only. The heraldic emblems found in the Register may not be reproduced in any form or in any media without the written consent of the Canadian Heraldic Authority and/or the recipient.
Peterborough, Ontario
Registration of Arms and Badge
December 15, 2025
Vol. VIII, p. 460
Arms of Leslie John CalvertBlazonOr on a pale between two maple leaves stems inwards Azure a Maltese cross between two maple leaves stems inwards Or; SymbolismThe maple leaves represent Dr. Calvert’s Canadian nationality. The Maltese cross alludes to his position as a Knight in the Order of St. John. |
CrestBlazonA demi-calf Azure holding between its forelegs a fleam Or; SymbolismThe calf is a pun on Dr. Calvert’s surname, which originates from an Old English word for “calf herdsman.” The fleam symbolizes his career as a surgeon. |
MottoBlazonCONARI PETERE INVENIRE; SymbolismThis Latin phrase means “To strive, to seek, to find,” which is taken from the poem “Ulysses” by Alfred Tennyson. |
Badge of Leslie John CalvertBlazonA unicorn’s horn Gules enfiling an ancient crown Or; SymbolismThe Canadian Heraldic Authority does not have confirmed symbolism for this emblem. The following comments are hypotheses only. The unicorn’s horn, reputed to have healing properties, likely alludes to Dr. Calvert’s profession as a medical doctor. |
Additional InformationCreator(s)Original concept of the College of Arms, London. PainterArtist of the College of Arms, London / Artiste du Collège d’armes, Londres CalligrapherNot applicable Recipient TypeIndividual Other InformationThe recipient’s emblems were originally recorded at the College of Arms, London, England, 8 April 1974. |




