Hi Kathy, I have been researching my husbands family and they have Nygrens that came from Sweden. Here is what I have and maybe you can find a link.
John Albert Nygren b. 5/25/1870 in Nordmaling, Sweden d. 8/28/1931 in Escalon, CAHad a brother Axel of Jamestown, NY and a sister Hedvig Nygren of Scranton, PA John married Anna Dorothea Christensen. They had one daughter Elma Ida Nygren b. 4/26/1910 in Santa Maria, CA d. 11/13/1935 in Modesto, CA.Elma is my husbands grandmother.