MH
Mary Hayden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ringgold-County, Iowa
Our Model Tree links this Mary Hayden across the 1920, 1930 and 1940 US Censuses in Ringgold-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ringgold-County, Iowa |
| Surname | Hayden |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Holmes |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Georgia Hayden | Daughter | — | 17 | ~1923 |
| Mary Hayden | Spouse | — | 54 | ~1886 |
| William Hayden | Head | — | 52 | ~1888 |
| Ethyl Hayden | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Ringgold, Iowa
Spouse, age 34
Ringgold, Iowa · implied b. ~1886 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Ringgold, Iowa
Spouse, age 44
Ringgold, Iowa · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 25 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ringgold-County, Iowa
Spouse, age 54
Ringgold-County, Iowa · implied b. ~1886 — 4 household members
| Surname | Hayden |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Holmes |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hayden
Spouse · 1940 · age 54 · b. ~1886 · Iowa
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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 — Ringgold-County, Iowa
Open full size
1940 US Federal Census — Ringgold-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01201-00117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ottie H Parson | 69 | Head | Farmer | Iowa |
| 2 | Doris Parson | 22 | Daughter | Teacher | Iowa |
| 3 | Ottie Parson | 16 | Son | Farmer | Iowa |
| 4 | Jessie Parson | 17 | Daughter | — | Iowa |
| 5 | Lilly Parson | 61 | Sister | House Keeper | Iowa |
| 6 | James A Campbell | 53 | Head | Farmer | Iowa |
| 7 | Veretta Campbell | 25 | Wife | — | Iowa |
| 8 | Rose Marie Campbell | 8 | Daughter | — | Iowa |
| 9 | Norma Jean Campbell | 7 | Daughter | — | Iowa |
| 10 | Lillian Lucile Campbell | 5 | Daughter | — | Iowa |
| 11 | John C Campbell | 2 | Son | — | Iowa |
| 12 | Viola Campbell | 1 | Daughter | — | Iowa |
| 13 | Arthur Markley | 58 | Head | Farmer | Iowa |
| 14 | Vina Markley | 58 | Wife | — | Iowa |
| 15 | Edna Beyers | 35 | Head | W.P.A. | Iowa |
| 16 | Vivian Beyers | 13 | Daughter | — | Iowa |
| 17 | Carole Beyers | 10 | Son | — | Iowa |
| 18 | Roy Larson | 35 | Head | Farmer | Iowa |
| 19 | Minnie Larson | 33 | Wife | — | Iowa |
| 20 | Gene Larson | 15 | Son | — | Iowa |
| 21 | William Munyon | 58 | Brother-in-law | Farm Laborer | Indiana |
| 22 | John Coverdell | 31 | Head | Engineer | Iowa |
| 23 | Florence Coverdell | 29 | Wife | — | South Dakota |
| 24 | Alice Coverdell | 9 | Daughter | — | Iowa |
| 25 | Dorothy Rishoff | Rishof | 16 | Housekeeper | House Keeper | Iowa |
| 26 | Melvin Lewis | 22 | Head | Farmer | Iowa |
| 27 | Lucile Lewis | 21 | Wife | — | Iowa |
| 28 | Chester R Lewis | 1 | Son | — | Iowa |
| 29 | John Rief | 67 | Head | Farmer | Germany |
| 30 | Susanna Rief | 66 | Wife | — | Iowa |
| 31 | Freeman Rief | 35 | Son | Carpenter | Kansas |
| 32 | Walter Greene | 57 | Head | Farmer | Iowa |
| 33 | Viola Greene | 51 | Wife | — | Iowa |
| 34 | Millard Greene | 28 | Son | Farmer | Iowa |
| 35 | Velmer Greene | 20 | Son | Farmer | Iowa |
| 36 | William Hayden | 52 | Head | Mail Carrier | Iowa |
| 37 | Mary A Hayden THIS PERSON | 54 | Wife | — | Ohio |
| 38 | Georgia Hayden | 17 | Daughter | — | Iowa |
| 39 | Ethyl Hayden | 12 | Daughter | — | Iowa |
| 40 | Asa Blakesley | 56 | Head | Farmer | Iowa |
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)