Bill MacGregor was quickly congratulated after the polls closed as the winner of the special election for the 10th Suffolk District state rep seat on Tuesday night. The district includes West Roxbury, Jamaica Plain, and some of Roslindale and Brookline, but is primarily West Roxbury. In Boston, MacGregor netted 3,098 votes (45.51%), according to Boston's Elections Department. Orthman came in second with 2,303 votes (33.83%), and Segel took 1,392 (20.45%). There were also 15 write-in votes.