Dawson was born Jun 26, 1896 per: Michigan Births and SSDI.
Dawson was born Jun 29, 1896 per: WWI & WWII Draft Registrations, Michigan Death Index, Michigan Obituaries, and his gravestone
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Michigan Births, 1867-1902
Name: Dawson Henvey
Birth Date: 26 Jun 1896
Birthplace: Wheatland (Twp), Hillsdale, Michigan
Gender: Male
Father's Name: John Henvey
Father's Birthplace: Michigan
Mother's Name: Emma Henvey
Mother's Birthplace: Michigan
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United States World War I Draft Registration Cards, 1917-1918
Name: Dawson C Henvey
Event Type: Draft Registration
Event Date: 1917-1918
Event Place: Hillsdale County, Michigan, United States
Gender: Male
Nationality: United States
Birth Date: 29 Jun 1896
Birthplace: Wheatland (Twp), Michigan, United States
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United States World War II Draft Registration Cards, 1942
Name: Dawson C Henvey
Event Type: Draft Registration
Event Date: 1942
Event Place: Adams (Twp), Hillsdale, Michigan, United States
Residence Place: Adams, Hillsdale, Michigan
Gender: Male
Employer: Dawson C/Henvey
Birth Date: 29 Jun 1896
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Michigan Marriages, 1868-1925
Name: Dawson C. Henvey
Age (Expanded): 22 years
Birthplace: Michigan
Spouse's Name: Neva Peebles
Spouse's Age (Expanded): 18 years
Spouse's Birthplace: Michigan
Event Date: 02 Jun 1919
Event Place: Fowlerville, Clinton, Michigan
Father's Name: John Henvey
Mother's Name: Emma Converse
Spouse's Father's Name: Bernard Peebles
Spouse's Mother's Name: Eva Hunt
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Michigan Death Index, 1971-1996
Name: Dawson C Henvey
Event Type: Death
Event Date: 29 Jul 1973
Event Place: Hillsdale, Hillsdale, Michigan
Residence Place: North Adams, Hillsdale, Michigan
Gender: Male
Birth Date: 29 Jun 1896*
Certificate Number: 41605
* 26 Jun 1896 per SSDI