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Mary Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this Mary Haynes across the 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 12-person household.
Age 17
b. ~1923
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Shawnee Township |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Shawnee Township |
| Est. Birth Year | ~1923 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Cecil Haynes | Son | — | 19 | ~1921 |
| Arthur Haynes | Head | — | 52 | ~1888 |
| Essie Haynes | Daughter | — | 15 | ~1925 |
| Virginia Haynes | Spouse | — | 50 | ~1890 |
| Mary Haynes | Daughter | — | 17 | ~1923 |
| Louise Haynes | Daughter | — | 23 | ~1917 |
| Maxine Bailey | Daughter | — | 9 | ~1931 |
| Arthur Bailey | Other | — | 5 | ~1935 |
| Lola Bailey | Daughter | — | 8 | ~1932 |
| William Haynes | Son | — | 7 | ~1933 |
| Roberta Haynes | Daughter | — | 11 | ~1929 |
| Fredrick Bailey | Other | — | 6 | ~1934 |
Census Appearances
1930
Wyandotte, Kansas
Daughter, age 6
Wyandotte, Kansas · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Wyandotte-County, Kansas
Daughter, age 17
Wyandotte-County, Kansas · implied b. ~1923 — 12 household members
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Shawnee Township |
| 1935 Residence (County) | Wyandotte |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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.
Show:
This person
Anchor record
Mary Haynes
Daughter · 1940 · age 17 · b. ~1923 · Kansas
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Sibling
Cecil Haynes
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Bailey
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Haynes
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Bailey
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Haynes
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essie Haynes
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Haynes
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01266-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lula Davis | 62 | Wife | — | Louisiana |
| 42 | Betty M Davis | 38 | Daughter | Servant | Louisiana |
| 43 | Lopain|Lopair Johnson | 23 | Nephew | Janitor | Louisiana |
| 44 | Lula D Dabney | 58 | Head | — | Mississippi |
| 45 | Lovey Coleman | 40 | Niece | Presser Hair Dresser | Mississippi |
| 46 | Elton Brooks | 43 | Nephew | — | Tennessee |
| 47 | Pierce S Field | 40 | Head | Laborer | Arkansas |
| 48 | Mary Field | 42 | Wife | — | Arkansas |
| 49 | Pierce Jr. Field | 17 | Son | — | Arkansas |
| 50 | Jessie B Field | 11 | Daughter | — | Missouri |
| 51 | Gertrude D Brown | 39 | Head | Sewing Room | Kansas |
| 52 | Stanley Brown | 16 | Son | Laborer | Kansas |
| 53 | Geraldine Brown | 14 | Daughter | — | Kansas |
| 54 | Joseph Brown | 11 | Son | — | Kansas |
| 55 | Gertrude Brown | 4 | Daughter | — | Kansas |
| 56 | Myrtle Brown | 3 | Daughter | — | Kansas |
| 57 | Will Neeley | 62 | Head | Laborer | Tennessee |
| 58 | Ada Neeley | 59 | Wife | — | Missouri |
| 59 | Arthur Haynes | 52 | Head | Grease Man | Mississippi |
| 60 | Virginia Haynes | 50 | Wife | — | Mississippi |
| 61 | Louise D Haynes | 23 | Daughter | — | Mississippi |
| 62 | Cecil Haynes | 19 | Son | New Worker | Mississippi |
| 63 | Mary Haynes THIS PERSON | 17 | Daughter | — | Missouri |
| 64 | Essie Haynes | 15 | Daughter | — | Missouri |
| 65 | Roberta Haynes | 11 | Daughter | — | Kansas |
| 66 | William Haynes | 7 | Son | — | Kansas |
| 67 | Maxine Bailey | 9 | Daughter | — | Kansas |
| 68 | Lola Mae Bailey | 8 | Daughter | — | Kansas |
| 69 | Fredrick Bailey | 6 | Grand Son | — | Kansas |
| 70 | Arthur L Bailey | 5 | Grand Son | — | Kansas |
| 71 | William D Hayes | 59 | Head | Messenger | Tennessee |
| 72 | Laura B Hayes | 39 | Wife | — | Kansas |
| 73 | Jean M Hayes | 16 | Daughter | — | Kansas |
| 74 | Dorothy Lee Hayes | 14 | Daughter | — | Kansas |
| 75 | William Jr. Hayes | 12 | Son | — | Kansas |
| 76 | Doris Hayes | 10 | Daughter | — | Kansas |
| 77 | Chester Hayes | 8 | Son | — | Kansas |
| 78 | Norman Hayes | 6 | Son | — | Kansas |
| 79 | Edwin Hayes | 2 | Son | — | Kansas |
| 80 | Edna Hayes | 2 | Daughter | — | Kansas |
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)