Seven people are confirmed to have died in Saturday night's attack
In a statement, her family described her as a “beautiful, loving daughter and sister”.
They said: “She had room in her heart for everyone and believed strongly that every person was to be valued and respected.
"She lived this belief working in a shelter for the homeless until she moved to Europe to be with her fiancé. She would have had no understanding of the callous cruelty that caused her death.
"Please honour her by making your community a better place. Volunteer your time and labour or donate to a homeless shelter. Tell them Chrissy sent you."
Morning after London attack: Heightened police presence at Borough Market & Bridge Sun, June 4, 2017
SIX people have been killed after a horrific terror attack targeted London Bridge and Borough Market on Saturday night. These are the pictures are London wakes up to the tragic scenes
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Canadian Prime Minister Justin Trudeau confirmed the seven victims included a Canadian national.
He said: "I am heartbroken that a Canadian is among those killed.
"Canada strongly condemns the senseless attack that took place last night in London, United Kingdom, which killed and injured many innocent people.
"We grieve with the families and friends of those who have lost loved ones, and wish all those injured a speedy and full recovery.
Tributes have been left for those who lost their lives in Saturday night's attack
"Londoners and people across the United Kingdom have always displayed strength and resilience in the face of adversity. This time will be no different.
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"These hateful acts do not deter us; they only strengthen our resolve. Canadians stand united with the British people.
"We will continue to work together with the United Kingdom and all our allies to fight terrorism and bring perpetrators to justice."