O'Mara stepped down from the House of Commons Women and Equalities Committee on Monday after online posts surfaced in which he referred to "fatties" and made offensive comments about several other celebrities.
O'Mara has claimed there is still a "place" for him as an MP. "He called me "an ugly bitch".
The Sheffield Hallam MP, who is now 36, has also apologised for the comments, saying they were "unacceptable" and had been made "at a particularly hard time in my life".
The university graduate also said it would be no great loss to the music world if jazz star Jamie Cullum was "sodomised with his own piano" and "died of a sore arse".
The Labour MP, who won Nick Clegg's seat in Sheffield Hallam at the 2017 snap election, apologised when the posts from online forums more than 10 years ago came to light. Le Conte said she didn't necessarily think O'Mara should stand down as an MP but argued that it was quite right that he had resigned from the Women and Equalities Committee.
Evans said she had not been surprised to learn about the earlier comments.
He quit from the women and equalities committee and issued a grovelling apologies to Labour MPs saying views have changed since he posted the remarks years ago. "I apologise for any caused". He's called us liars. He's been on radio, called us liars.
Chris Leslie, a senior Labour backbencher, said there would have to be consequences for O'Mara if the allegations were verified.
"It was a very hard speech for him..."
Today he said it was "important to take ownership of the things you've done wrong" and added: "Overwhelmingly people accepted my apology, accepted my sincerity and remorse, they accepted I have been through a journey of education".
"In this case, just as in previous cases, it's absolutely clear: we suspend and we investigate and we make a decision". "The fact is he was able to recognise that and move forward".
'I made the comments as a young man, at a particularly hard time in my life, but that is no excuse, ' he said.
Coburn then asked her what her response was at the time, she said: 'I just thought wow, he's not a very nice man and kind of forgot about it.' But, once she realised he was her MP she said she felt she 'had to let people know what he was like...what had happened...and say this is the guy that's representing you'. Weak people like bullies try and hurt other people to feel better about themselves. I got swept up with it and it warped my mindset.
O'Mara also suggested that if he had been a Tory MP having made those comments, it would have been more likely he would have to step down.
"Violent, sexist and homophobic language must have no place in our society, and parliamentarians of all parties have a duty to stamp out this sort of behaviour wherever we encounter it, and condemn it in the strongest possible terms", she wrote.