Can my Deferred action application be denied because i came with a different last name?

You need an immigration attorney to advise you on this issue privately. Identity issues can be extremely complicated.

K1 visa. What happens next?

See my answer to your previous post of this question.

Deferred Action Spouse Status

The deferred action program does not allow for derivates.

At college in State A, worked in State B this summer, parents living overseas paying taxes in State C. Register to vote impact?

This is not an immigration question. Consider removing the "Permanent Residence" tag from your inquiry.

Records of US Immigration

Your question leaves out some important details. Have an immigration lawyer privately step in here and advise you of the best way to resolve this...

Can Canada refuse my application for permanent residence (spousal sponsorship) due to an expunged minor offence?

We are US immigration attorneys. You need to direct your question to a Canadian immigration attorney.

How will my criminal record affect my permanent residency reapplication and when I decide to apply for citizenship?

Just because you've successfully resolved the case in criminal court doesn't mean that there won't be immigration consequences for it. Those...

What can happen next??

She'll need to wait and see whether the officer issues the visa, or whether they send the approved I-129F back to the United States for rescission...

Sister held at Duval County jail with an ICE hold. Once bond (750$) paid, what next?

If she doesn't have an attorney representing her in removal proceedings and advising her about the MANY different legal decisions she's making, she...

If she is 65 or older when she applies and has been a permanent resident for 20 years, she will be entitled to an extremely lenient civil exam. If...