McMorris Rodgers, a member of House leadership, and her husband, Brian Rodgers, announced the news on Friday.
McMorris Rodgers, who represents the Spokane region and Eastern Washington, is the first woman to give birth twice while a member of Congress.
Her third child is due in December.
McMorris Rodgers says she plans to run for re-election next year and remain the GOP conference chairwoman. Her other children are 6-year-old Cole and 2-year-old Grace.
More Northwest Headlines
1 dead, 2 injured in drive-by shooting in Federal Way Tacoma recycling company fined again for toxic spill 1:09 p.m. State fines Seattle terminal operator for health, safety violations 1:08 p.m. Washington cranberry growers anxious for fall rain at harvest 1:07 p.m. $500,000 bail set for man accused of Blaine shooting 1:05 p.m. King County sheriff’s deputy to be fired for sleeping on job 1:04 p.m. Hearing Friday on suit over Kurt Cobain death-scene photos 1:02 p.m. Tacoma lighthouse coming down because of structural problems 1:06 p.m.
Our new comment system is not supported in IE 7. Please upgrade your browser here.