MH
Mary Hayden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Douglas-County, Kansas
Our Model Tree links this Mary Hayden across the 1930 and 1940 US Censuses in Douglas-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Douglas-County, Kansas |
| Surname | Hayden |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Douglas |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Grant Township |
| Est. Birth Year | ~1900 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Della Hayden | Daughter | — | 11 | ~1929 |
| Willard Hayden | Head | — | 46 | ~1894 |
| Mary Hayden | Spouse | — | 40 | ~1900 |
| Vara Hayden | Daughter | — | 8 | ~1932 |
| Pauline Hayden | Daughter | — | 16 | ~1924 |
| Martha Hayden | Daughter | — | 19 | ~1921 |
| Lucille Hayden | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Douglas, Kansas
Other, age 30
Douglas, Kansas · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Douglas-County, Kansas
Spouse, age 40
Douglas-County, Kansas · implied b. ~1900 — 7 household members
| Surname | Hayden |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Douglas |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Hayden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hayden
Spouse · 1940 · age 40 · b. ~1900 · Kansas
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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 — Douglas-County, Kansas
Open full size
1940 US Federal Census — Douglas-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01229-00486)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence H. Leonhard | 33 | Head | Farmer | Kansas |
| 42 | Bessie F. Leonhard | 31 | Wife | — | Kansas |
| 43 | Wayne F. Leonhard | 5 | Son | — | Kansas |
| 44 | Joyce Ann Leonhard | 2 | Daughter | — | Kansas |
| 45 | John W. House | 49 | Head | Farmer | Arkansas |
| 46 | Edna House | 48 | Wife | — | Kansas |
| 47 | Kathryn House | 17 | Daughter | — | Kansas |
| 48 | Willard H. Hayden | 46 | Head | Farmer | Nebraska |
| 49 | Mary R. Hayden THIS PERSON | 40 | Wife | — | Kansas |
| 50 | Martha A. Hayden | 19 | Daughter | — | Kansas |
| 51 | Lucille V. Hayden | 17 | Daughter | — | Kansas |
| 52 | Pauline M. Hayden | 16 | Daughter | — | Kansas |
| 53 | Della M. Hayden | 11 | Daughter | — | Kansas |
| 54 | Vara C. Hayden | 8 | Daughter | — | Kansas |
| 55 | William W. May | 51 | Head | Laborer | Kansas |
| 56 | Nellie M. May | 45 | Wife | — | Oklahoma |
| 57 | William E. May | 15 | Son | — | Kansas |
| 58 | Elmer C. Pine | 36 | Head | Gardener | Kansas |
| 59 | Gertrude Pine | 26 | Wife | — | Kansas |
| 60 | Nancy E. Pine | 2 | Daughter | — | Kansas |
| 61 | Walter B. Pine | 68 | Father | Gardener | Kansas |
| 62 | Entered By Error | None | — | — | — |
| 63 | Edward B. Pine | 78 | Head | Farmer | Maryland |
| 64 | Olive G. Pine | 72 | Wife | — | Kansas |
| 65 | Josephine Mccage | 58 | Sister-in-law | Seamstress | Kansas |
| 66 | Edward C. Garrett | 62 | Head | Farmer | Kansas |
| 67 | Nancy A. Garrett | 42 | Wife | — | Kansas |
| 68 | Blanche W. Garrett | 15 | Daughter | — | Kansas |
| 69 | Billy E. Garrett | 13 | Son | — | Kansas |
| 70 | Charles H. Wood | 60 | Head | Assessor | Kansas |
| 71 | Clara F. Wood | 57 | Wife | — | Kansas |
| 72 | William S. Stiner | 66 | Head | Farmer | Kansas |
| 73 | Bertha E. Stiner | 65 | Wife | — | Kansas |
| 74 | Ralph R. Tucker | 30 | Head | Laborer | Kansas |
| 75 | Eleanor L. Tucker | 26 | Wife | — | Kansas |
| 76 | Norman R. Tucker | 2 | Son | — | Kansas |
| 77 | Clifford L. Tucker | 1 | Son | — | Kansas |
| 78 | Ashley H. Clark | 39 | Head | Mail Carrier | Nebraska |
| 79 | Grace C. Clark | 36 | Wife | — | Missouri |
| 80 | Wesley J. Clark | 16 | Son | — | 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)