It's very difficult to find information about living people. She was born abt. 1919 and I didn't find her death info so I think she's alive. Have you tried whitepages.com, zabasearch.com or Googled her name?
Here's the census info.
In 1920 Nadine's parents were living with her grandparents in Brogan, Malheur Co., OR.
Melton M. Yeoman, head household, b. OR, 63, farmer.
Leana, wife, b. AR, 61.
Ralph R., son, b. OR, 29, married, teacher school.
Jessie G., dau, b. NE, 19, married.
Nadine N., granddau, b. OR, 1 3/12ths.
Raul D., son, b. OR, 15.
Kenneth W., son, b. OR, 12.
Birden M., dau, b. OR, 9/12ths.
Earl C., son, b. OR, 27, single, sailor US Navy.
In 1930 Nadine and her family were living in Washougal, Clark Co., Washington.
Ralph R. Yeoman, b. OR, 38, marr @ 25, salesman autos.
Jessie G., wife, b. NE, 30, marr @ 17.
Nadine M., b. OR, 11.
Velma L., b. OR, 7.Successful Searching!