Summary
Registrant Mario Mathisen is an adoptee looking for any of his birth family. The adoptee was born in California in 1966 on September 10th. He was born Mario Arthur Gamez to birthmother Maria Gamez (maiden name Acosta). His adoptive name became Mario Arthur Mathisen.Online Genealogy and Family Research Resources
MATHISEN results at Ancestry.com - more than 1.5 billion recordsMaria Gamez records at Ancestry.com
Maria Acosta records at Ancestry.com
Manuel Gamez records at Ancestry.com
California Adoption Record: # 98520
Adoptee looking for Any Birth Family
Mario Mathisen
Adoptee's Info
Birth Name: Mario Arthur Gamez
Adoptive Name: Mario Arthur Mathisen
Date of Birth: Sep 10, 1966 (now 59 years old)
Gender: Male
Birth Location: Unknown city, Unknown county, California USA
Birthmother's Info
Name: Maria Gamez (Acosta)
Born: Sep 10, 1966 (now 59 years old)
Age at Adoptee's Birth: Unknown
Religion: Unknown
Birthfather's Info
Name: Manuel Gamez
Born: Unknown
Age at Adoptee's Birth: Unknown
Religion: Unknown
Born at Hospital:
Birth Certificate:
Adoption Agency:
Registered: February 22, 2020
Adoptee looking for Any Birth Family
Mario Mathisen
Adoptee's Info
Birth Name: Mario Arthur Gamez
Adoptive Name: Mario Arthur Mathisen
Date of Birth: Sep 10, 1966 (now 59 years old)
Gender: Male
Birth Location: Unknown city, Unknown county, California USA
Birthmother's Info
Name: Maria Gamez (Acosta)
Born: Sep 10, 1966 (now 59 years old)
Age at Adoptee's Birth: Unknown
Religion: Unknown
Birthfather's Info
Name: Manuel Gamez
Born: Unknown
Age at Adoptee's Birth: Unknown
Religion: Unknown
Born at Hospital:
Birth Certificate:
Adoption Agency:
Registered: February 22, 2020
Recent adoption records added to the online California biological family reunion registry
- Female adoptee born on Oct 22, 1970 in Camarillo, California
Adoption record added Sunday, Dec 14, 2025 at 4:34pm - Biological Sister looking for Female adoptee born on Oct 25, 1954 in California
Adoption record added Sunday, Dec 7, 2025 at 11:08am - Female adoptee born on Apr 17, 1967 in San Diego, California
Adoption record added Saturday, Dec 6, 2025 at 8:26pm - Other Birth Family looking for Any Birth Family of Female adoptee born on Dec 31, 1966 in Sacramento, California
Adoption record added Monday, Nov 17, 2025 at 6:20am - Birth Father looking for Male adoptee born on Aug 17, 2005 in Redwood City, California
Adoption record added Monday, Nov 10, 2025 at 9:17am - Other Birth Family looking for Female adoptee born on Feb 3, 1957 in San Francisco, California
Adoption record added Wednesday, Oct 1, 2025 at 4:20pm - Other Birth Family looking for Birth Sibling of Female adoptee born on May 19, 1956 in San Francisco, California
Adoption record added Wednesday, Oct 1, 2025 at 4:06pm