Five MPs have so far signed the motion, which was tabled this week.
Around 37,000 German citizens have backed the motion, which was brought by the More Democracy movement.
In March, Mr. O'Mara filed a motion, which was heard on Tuesday, accusing the state of "discovery violations".
Yesterday's motion, which was carried unanimously, called on teachers to campaign to raise awareness of the issue in schools.
The resulting Commons motion – which was carried 234 to 22 – has no legal significance but caused various sections of the media to trumpet parliament's triumph over "Europe".
The motion, which was defeated by a 175-to-123 vote, would have allowed the government to introduce legislation to restore the traditional definition of marriage.
Until his death in 1946, he devoted his life to teaching, painting, photography, sculpture and writing his final book, "Vision in Motion," which was published posthumously, in 1947.
The wording of the wide-ranging motion, which was overwhelmingly passed by conference, failed to match the rhetoric from the platform, however.
This was particularly the case during one motion, which was "This House believes that the Obama administration's foreign policy has done more harm than good".
McNamee's lawyers argued in the motion, which was filed in March, that their client's statements were privileged because they were made as part of a federal investigation.
Duquesne's motion, which was rejected Monday, argued that the university is a "church-operated school" with "substantial religious character," and that legal precedents exempt it from N.L.R.B. jurisdiction.
