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  1. Home
  2. >S
  3. >Siewert
  4. >Don H Siewert SR
  5. >Montana
  6. >Helena

On This Page

  • Reported Phone Numbers(2)
  • Most Recent Address on Record
  • Address History(5)
  • Reported Email Addresses(1)
  • Other Names Used
  • Family Members(10)
  • Background Profile
  • FAQ
  • Don H Siewert

    Age 92Born May 1934Lives in Helena, MT(406) 457-1665
    Get Unlimited Background Details »

    The background information shown below for Don H Siewert SR, age 92, comes from AdvancedBackgroundChecks's aggregation of US public records — court filings, property and tax records, marriage and divorce filings, address history, and contact data filed in publicly accessible databases. This report is for personal informational use only and is not a consumer report as defined by the Fair Credit Reporting Act. It must not be used to make decisions about employment, tenant screening, credit, or insurance. To opt out or correct information about yourself, see the link in the footer.

    Key Facts

    Full Name
    Don H Siewert SR
    Age
    92 years old
    Birth Date
    May 1934
    Current City
    Helena, MT
    Primary Phone
    (406) 457-1665
    Email
    [email protected]
    Known Relatives
    10 people
    Also Known As
    Donh Siewert, Don H Siewert, Don Siewert +3 more

    Reported Phone Numbers(2)

    Includes the current and past phone numbers for Don H Siewert SR.

    (406) 457-1665
    landline/servicesQwest CorporationPossible Primary Phone
    Last reported 7/1/2026
    Connected
    (303) 697-6790
    landline/servicesQwest Corporation
    Last reported 4/19/2002
    Connected

    Full Background Report

    Get the complete background report for Don H Siewert SR. Includes:

    • Current & Past Contact Info
    • Addresses & Phone Numbers
    • Business Records
    • Professional Licenses
    • Family & Associates
    • Social Media & Photos
    • Properties & Assets
    • Public Records
    • Criminal Records
    • Court Records
    • State & County Records
    • Bankruptcies, Judgments, Liens
    View Full Background Report

    Most Recent Address on Record

    This is the most recently reported address for Don H Siewert SR.

    409 N Oakes St, Helena, MT 59601
    Helena, MTLewis And Clark County(6/1/1998 - 7/1/2026)

    Address History(5)

    All previously reported addresses for Don H Siewert SR.

    1373 Wheelwright Ct, Mesquite, NV 89034
    Mesquite, NVClark County(8/11/2017 - 4/26/2022)
    9988 S Turkey Creek Rd, Morrison, CO 80465
    Morrison, COJefferson County(9/22/1997 - 9/28/2017)
    10490 W Jewell AVE, Lakewood, CO 80232
    Lakewood, COJefferson County(9/22/1997 - 4/6/1998)
    2316 S Sullivan Rd, Spokane Valley, WA 99037
    Spokane Valley, WASpokane County(10/1/1981 - 9/30/2022)
    4326 E 119th Way, Thornton, CO 80233
    Thornton, COAdams County(3/1/1992 - 6/15/1993)

    Reported Email Addresses(1)

    Includes all known email addresses for Don H Siewert SR.

    [email protected]

    Other Names Used

    Includes all names used in any public records filings for Don H Siewert SR.

    Donh SiewertDon H SiewertDon SiewertDon H SiewertDon H StewartDon H SiewartDon SiewertDonald Siewert

    Family Members(10)

    May include parents (mother, father), spouse (wife, husband), exes, brothers, sisters, and children of Don H Siewert SR.

    Don H Siewert JR
    Age 70
    Rebecca C Warner
    Age 48
    Suzan J Peterson
    Age 79
    Corey Calvin Peterson
    Age 36
    David A Peterson
    Age 69
    David J Warner
    Age 46
    Deborah K Warner
    Age 80
    Delmar Dean Peterson
    Age 82
    Dick Warner

    Background Profile on Don H Siewert SR

    Don H Siewert SR is 92 years old and was born in May 1934. Don has lived at 409 N Oakes St in Helena, MT since 6/1/1998. Don's phone number is (406) 457-1665, a landline/services number through Qwest Corporation.

    Public records filings have reported Don under different names including Donh Siewert, Don H Siewert, Don Siewert, Don H Siewert, Don H Stewart, Don H Siewart, Don Siewert, Donald Siewert.

    Don has also lived in Mesquite, NV, Morrison, CO, Lakewood, CO, Spokane Valley, WA, Thornton, CO (from 3/1/1992 to 4/26/2022). Don's previously reported phone numbers include (303) 697-6790 (landline/services). We found an email address for Don: [email protected].

    Don's family members include Don H Siewert JR, Rebecca C Warner, Suzan J Peterson, Corey Calvin Peterson and 6 others.

    The records above represent everything we have on file for Don as of the most recent refresh. Public records are continuously updated by the issuing agencies, so any address, phone, or relationship listed may have changed since our last ingest. Reuse of this report is restricted to personal, non-FCRA-covered purposes; AdvancedBackgroundChecks is not a consumer reporting agency and does not verify the accuracy of third-party data.

    People Also Viewed

    Don H Siewert JR
    Age 70
    Rebecca C Warner
    Age 48
    Suzan J Peterson
    Age 79
    Corey Calvin Peterson
    Age 36
    David A Peterson
    Age 69
    David J Warner
    Age 46
    Deborah K Warner
    Age 80
    Delmar Dean Peterson
    Age 82

    FAQs About Don H Siewert SR

    Public records list 409 N Oakes St, Helena, MT 59601 as the most recently reported address for Don H Siewert SR.
    Reported records indicate Don H Siewert SR is 92 years old.
    Don H Siewert SR is linked to (406) 457-1665, a landline/services line through Qwest Corporation, alongside any historical numbers reported in the record set.
    Filings against Don H Siewert SR have used the alternate names Donh Siewert, Don H Siewert, Don Siewert, Don H Siewert, Don H Stewart, Don H Siewart, Don Siewert, Donald Siewert.
    Prior reported residences for Don H Siewert SR include Mesquite, NV, Morrison, CO, Lakewood, CO plus 2 earlier locations.
    Public records identify Don H Siewert JR, Rebecca C Warner, Suzan J Peterson and 7 additional relatives as possible family members of Don H Siewert SR.

    Important: Not a Consumer Report

    The information on this page is aggregated from publicly available records and is provided for personal, informational use only. AdvancedBackgroundChecks is not a consumer reporting agency as defined by the Fair Credit Reporting Act (15 U.S.C. § 1681 et seq.). This report may not be used, in whole or in part, as a factor in establishing a consumer's eligibility for credit, insurance, employment, housing, tenancy, or any other FCRA-covered purpose. To request removal of your own information, visit the opt-out page.

    Last updated: August 26, 2026

    Age 78
    Edward Lee Warner
    Age 49