Mr. Whaley, who will be jostling for space along the Mall to catch a glimpse of the much anticipated first kiss, says Canadians proud of their monarchy are aplenty among the crowds.
"There are lots of Maple Leafs," he said. "I'd say Canada is one of the most well represented international countries here at the wedding."
For others, it was an event to avoid, reflecting divided public opinion about the biggest royal occasion for nearly a decade and one which supporters hope heralds a renaissance for a monarchy that, following the divorce and death of Princess Diana, had seemed at peril from calls for a British republic.
"It's just a wedding," said 25-year-old Ivan Smith. "Everyone is going mad about it. I couldn't care less."
Buckingham Palace also announced Friday the couple's much-anticipated royal monikers: They have received the titles of Duke and Duchess of Cambridge, William's dukedom is one of three titles bestowed by his grandmother Queen Elizabeth II to mark his marriage to Middleton at Westminster Abbey. The titles also apply to Ms. Middleton.
William also became the Earl of Strathearn and Baron Carrickfergus, which means Ms. Middleton is now the Countess of Strathearn and Baroness Carrickfergus.
Strathearn ties William and Middleton to Scotland, where the pair met and fell in love. Baron Carrickfergus is a little-used title which refers to one of the oldest towns in Northern Ireland.
Because Middleton was not born a princess, she will not officially become Princess Catherine - although the public may choose to call her that, or even "Princess Kate," in defiance of protocol.
Royal watchers called the bestowal of the title duke of Cambridge a personal mark of esteem from the queen. It refers to the history-steeped university town that is a symbol of British prestige. The dukedom's history stretches back to Medieval times and has for 300 years been associated with royalty.
The marriage between William, second in line to the throne, and girlfriend Kate, dubbed "Waity Katie" for their long courtship, has cemented a recovery in the monarchy's popularity.
A series of scandals involving senior royals, Britain's economic difficulties and Diana's death after her divorce from Prince Charles led many to question the future of an institution rooted in the imperial past.
But William's image as a more rounded, less distant figure than his father, which appears to have worked in the monarchy's favour.
In a surprise walkabout on Thursday evening, the groom reached into the crowds waiting on the Mall, the avenue leading to Buckingham Palace, shaking hands and chatting happily with delighted members of the public.
William also surprised royal watchers with the announcement that he was wearing the scarlet tunic of an Irish Guards officer. Observers had expected the groom, a highly trained helicopter rescue pilot, to wear his navy blue air force uniform.
William's choice of ceremonial military dress sends a strong signal of his support for the armed forces, reinforcing his preferred image as a dedicated military man and distancing him from past characterizations as a club-hopping party boy.
While most of the revellers were happy to flood the couple with good wishes, a few republicans gathered to protest.
"My message to the royal couple is good luck and enjoy your married life, but please don't take for granted that one day you will be king or queen," said Graham Smith of the anti-monarchist lobby group Republic.
British police arrested 18 people in London on Friday for a range of mostly minor offences as they mounted one of the biggest security operations ever seen in the capital around the royal wedding.
Around 5,000 officers were on duty to control the huge flag-waving crowds, alongside around 1,000 soldiers lining the route from Westminster Abbey to Queen Elizabeth's London residence, Buckingham Palace.
Specialist teams with sniffer dogs had patrolled the procession route searching for explosives, while helicopters buzzed overhead as part of the operation to protect William and Ms. Middleton.
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With files from Doug Saunders, Elizabeth Renzetti and The Associated Press