Fiddle-dee-dee!

Hello there!  I’m glad to help if I can:

1) It wasn’t as obvious as, say, Paolo, but yes, I think the implication was that Jim Maloney and his daughter died.  Where they were in the ship with that much water, the look on his face when he realized the gate wouldn’t open and the water was rising, how the door closed “artistically” and we didn’t see them again after, I’d say they didn’t make it. 

2) After we saw Mary Maloney and the kids getting lowered down in their lifeboat, we saw them once more (that I’m sure of) as their lifeboat was rowing away from the ship.  It’s possible they were also somewhere in the background during one of the shots of all the boats grouped together, not sure.  As they made it into a boat and rowed away safely, the implication was that they survived.

3) Lubov never showed up again - to my knowledge - after he helped Paolo free the Italians and the Italians left.  So just like the Jim Maloney and Theresa, being that far down in the ship with that much water and not seeing him again, I’d say he died as well. 

I kind of hate open endings too.  When the survivors saw the Carpathia’s flares and then the episode ended, I couldn’t believe that was it.  But with this series, I think it worked well that way though.  It was as uncertain for us as it was for the survivors at that point - Mrs. Maloney didn’t know yet what had happened to either her husband and daughter or Lubov, the Grexes and Mrs. Widener didn’t know what had happened to Mr. Widener and Harry, etc.  So we were left wondering just like they were.  Or maybe that’s reading too much into it.  Haha.  I hope that helped! :)