Does Christmas Eve Mass count for Sunday Mass?

The short answer: No.

The consecutive Mass obligations on Sunday, December 24th for the Fourth Sunday of Advent and Christmas 2017 should be fulfilled by attending one Mass for each of the two separate obligations. Please refer to schedule below:

Fourth Sunday of Advent
Saturday, December 23rd at 5:30PM

Sunday, December 24th at 7:30, 9 or 11AM

Christmas 2017 (Please, NO reserving of seats at the Christmas Masses. If space if open in a pew someone can sit there. We appreciate your cooperation.)

Sunday, December 24th at 4PM Family Liturgy, 7PM Bilingual, or 9PM.
Livestreaming in the Parish Hall at 4PM and 7PM. 

Monday, December 25th at 7:30, 9, or 11AM