The Brief Sarah McBride is the projected winner of Delaware’s U.S. House seat. McBride will become the first openly transgender member of Congress. Delaware state Sen. Sarah McBride has been elected to the U.S. House and will become the first openly transgender person to serve in Congress. McBride easily defeated Republican John Whalen III on Tuesday in the race for Delaware’s lone House seat. Democrats have held Delaware’s U.S. House seat since 2010.