Summary
Registrant Sara Nielson is an adoptee looking for birth father. The adoptee was born in Michigan in 1970 on April 3rd. She was born Donna Kay Hackelberg in Grand Rapids in Kent County to a 15 year old birthmother with the maiden name of Hackelberg. Michigan Aid Society handled the adoption. Her adoptive name became Sara Leanne Mattern.Online Genealogy and Family Research Resources
NIELSON results at Ancestry.com - more than 1.5 billion recordsSara Mattern records at Ancestry.com
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Michigan Adoption Record: # 85322
Adoptee looking for Birth Father
Sara Nielson
Adoptee's Info
Birth Name: Donna Kay Hackelberg
Adoptive Name: Sara Leanne Mattern
Date of Birth: Apr 3, 1970 at 3:10 AM (now 56 years old)
Gender: Female
Birth Location: Grand Rapids city, Kent county, Michigan USA
Birthmother's Info
Name: Shirley Marie (Hackelberg )
Born: Aug 2, 1955 (now 71 years old)
Age at Adoptee's Birth: 15
Religion: Protestant
Birthfather's Info
Name: Donald Newman
Born: Unknown
Age at Adoptee's Birth: 24
Religion: Unknown
Born at Hospital: Booth Memorial Hospital
Birth Certificate:
Adoption Agency: Michigan Aid Society
Additional Info
Birth mother placed in Booth Maternity ome during pregnancy
Registered: June 20, 2018
Updated: June 30, 2018
Adoptee looking for Birth Father
Sara Nielson
Adoptee's Info
Birth Name: Donna Kay Hackelberg
Adoptive Name: Sara Leanne Mattern
Date of Birth: Apr 3, 1970 at 3:10 AM (now 56 years old)
Gender: Female
Birth Location: Grand Rapids city, Kent county, Michigan USA
Birthmother's Info
Name: Shirley Marie (Hackelberg )
Born: Aug 2, 1955 (now 71 years old)
Age at Adoptee's Birth: 15
Religion: Protestant
Birthfather's Info
Name: Donald Newman
Born: Unknown
Age at Adoptee's Birth: 24
Religion: Unknown
Born at Hospital: Booth Memorial Hospital
Birth Certificate:
Adoption Agency: Michigan Aid Society
Additional Info
Birth mother placed in Booth Maternity ome during pregnancy
Registered: June 20, 2018
Updated: June 30, 2018
Recent adoption records added to the online Michigan biological family reunion registry
- Biological Sister looking for Male adoptee born on Dec 1970 in Ionia, Michigan
Adoption record added Monday, Aug 10th at 1:54pm - Male adoptee born on Dec 9, 1973 in Alma, Michigan
Adoption record added Monday, Aug 3rd at 2:27pm - Male adoptee born on Oct 19, 1991 in Pontiac, Michigan
Adoption record added Thursday, Jun 11th at 4:58am - Researcher looking for Any Birth Family of adoptee born on Sep 28, 1949 in Boyne City, Michigan
Adoption record added Tuesday, Apr 7th at 5:20am - Male adoptee born on Oct 12, 1961 in Michigan
Adoption record added Monday, Aug 4, 2025 at 12:43pm - Researcher looking for Birth Mother of Female adoptee born on Jan 8, 1927 in Flint, Michigan
Adoption record added Thursday, Jul 31, 2025 at 8:06am - Adoptive Relative looking for Any Birth Family of adoptee born on May 10, 1950 in Pontiac, Michigan
Adoption record added Friday, Jan 3, 2025 at 11:08am