MH
Mary Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Letcher-County, Kentucky
Our Model Tree links this Mary Haynes across the 1930 and 1940 US Censuses in Letcher-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 9-person household.
Age 46
b. ~1894
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Letcher-County, Kentucky |
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | South Down |
| 1935 Residence (County) | Letcher |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | South Down |
| Est. Birth Year | ~1894 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Haynes | Spouse | — | 46 | ~1894 |
| Bill Haynes | Son | — | 12 | ~1928 |
| Ethel Haynes | Daughter | — | 18 | ~1922 |
| Serene Haynes | Daughter | — | 9 | ~1931 |
| Claude Haynes | Son | — | 20 | ~1920 |
| Irene Haynes | Daughter | — | 16 | ~1924 |
| Marie Haynes | Daughter | — | 2 | ~1938 |
| Jim Haynes | Head | — | 49 | ~1891 |
| Ruth Haynes | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Letcher, Kentucky
Other, age 36
Letcher, Kentucky · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 18 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Letcher-County, Kentucky
Spouse, age 46
Letcher-County, Kentucky · implied b. ~1894 — 9 household members
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | South Down |
| 1935 Residence (County) | Letcher |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Haynes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Haynes
Spouse · 1940 · age 46 · b. ~1894 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Letcher-County, Kentucky
Open full size
1940 US Federal Census — Letcher-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01330-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Holbrook | 36 | Head | Teacher | Kentucky |
| 2 | Jane D Holbrook | 29 | Wife | Teacher | Kentucky |
| 3 | Angeline Holbrook | 3 | Daughter | — | Kentucky |
| 4 | J. L. Holbrook | 78 | Father | — | Kentucky |
| 5 | Robert Blair | 29 | Head | Miner | Kentucky |
| 6 | Margery Blair | 25 | Wife | — | Kentucky |
| 7 | Elihue Blair | 5 | Son | — | Kentucky |
| 8 | Helen Blair | 1 | Daughter | — | Kentucky |
| 9 | Jim Craft | 38 | Head | Miner | Kentucky |
| 10 | Pearlie Craft | 29 | Wife | — | Kentucky |
| 11 | Ray Craft | 5 | Son | — | Kentucky |
| 12 | Beth Craft | 3 | Daughter | — | Kentucky |
| 13 | Billie Craft | 1 | Son | — | Kentucky |
| 14 | John Wright | 28 | Head | Common Labor | Kentucky |
| 15 | Rachel Wright | 23 | Wife | — | Kentucky |
| 16 | Morris Wright | 5 | Son | — | Kentucky |
| 17 | Emma Wright | 1 | Daughter | — | Kentucky |
| 18 | Silas Caudill | 34 | Head | Miner | Kentucky |
| 19 | Lillie Caudill | 29 | Wife | — | Kentucky |
| 20 | Gordon Caudill | 6 | Son | — | Kentucky |
| 21 | Gelmar Caudill | 1 | Son | — | Kentucky |
| 22 | John Caudill | 33 | Head | Mechanic | Kentucky |
| 23 | Ruby Caudill | 28 | Wife | — | Kentucky |
| 24 | Wanda Caudill | 12 | Daughter | — | Kentucky |
| 25 | Silas Caudill | 10 | Son | — | Kentucky |
| 26 | Earl Caudill | 7 | Son | — | Kentucky |
| 27 | Balty Caudill | 4 | Son | — | Kentucky |
| 28 | Wilden Caudill | 2 | Son | — | Kentucky |
| 29 | Shirley Caudill | 2 | Daughter | — | Kentucky |
| 30 | Jim Haynes | 49 | Head | Miner | Kentucky |
| 31 | Mary Haynes THIS PERSON | 46 | Wife | — | Kentucky |
| 32 | Claude Haynes | 20 | Son | Farmer | Kentucky |
| 33 | Ethel Haynes | 18 | Daughter | — | Kentucky |
| 34 | Irene Haynes | 16 | Daughter | — | Kentucky |
| 35 | Ruth Haynes | 14 | Daughter | — | Kentucky |
| 36 | Bill Haynes | 12 | Son | — | Kentucky |
| 37 | Serene Haynes | 9 | Daughter | — | Kentucky |
| 38 | Marie Haynes | 2 | Daughter | — | Kentucky |
| 39 | Wendell Kaynes | 22 | Head | Common Labor | Kentucky |
| 40 | Lillie Kaynes | 20 | Wife | — | Kentucky |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)