My Wife & daughter camback to canada in July 2008 but we check her passport it was not stemped at immigration at that time Mother & daughter both on one passport however My 2nd daughter got stemped on other passport do does it make any diffrence when we are applying for citizenship after that we travel back one time Leave canada on feb 2010 & back again May 2010 & got stmpd My wife is not working so she don't have any work history from july 2008 till feb 2010 however My daughter is student & have full history of school what I will do ?

Anwer

Stamp or no stamping makes no difference..
Just remember the dates for citizenship..