Legal Name: For a Canadian citizen, the name under which an individual is registered in a province. The
quintessential legal name is the one assigned at birth. For non-Canadian citizens the legal name is that name
registered in Canada and which is found on their immigration documents or passport.
Legal Name Change: Can be obtained as outlined in the Province of Ontario, Change of Name Act of 1986. Individuals
who obtain a Change of Name Certificate as a result of this process are entitled to have any reference to their
previous name deleted from their records.
Informal Name Change: Individuals can assume a name at any time as long as the assumption of that name is not for
fraudulent purposes. Individuals who wish to have their records changed due to this type of name change should
file a Statutory Declaration. While it may be desirable to do so it is not mandatory to revise one’s record to
reflect such a change.
Marriage: Women can slip in and out of name changes as a result of cohabitation, marriage, separation and divorce,
without legal formalities.
The Change of Name Act allows for either "spouse" to assume the name of the other on marriage or cohabitation via
a legal change of name. Hyphenated combination names are specifically provided for in the Act. of name. Hyphenated
combination names are specifically provided for in the Act.
The Change of Name Act:
http://www.canlii.org/sk/laws/sta/c-6.1/20041004/whole.html
Change of Name in Ontario:
http://www.cbs.gov.on.ca/mcbs/english/change_name.htm
如cadmus所说,回中国可能还要改护照名字,太麻烦了,打消念头吧,怕怕!