MH
Mary Hayden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hartford-County, Connecticut
Our Model Tree links this Mary Hayden across the 1930 and 1940 US Censuses in Hartford-County, Connecticut (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hartford-County, Connecticut |
| Surname | Hayden |
| Given Name | Mary E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | New Britain |
| 1935 Residence (County) | Hartford |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | New Britain |
| Est. Birth Year | ~1906 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nancy Hayden | Daughter | — | 10 | ~1930 |
| William Hayden | Son | — | ~1940 | |
| Mary Hayden | Spouse | — | 34 | ~1906 |
| William Hayden | Head | — | 37 | ~1903 |
| Mary Hayden | Daughter | — | 5 | ~1935 |
| Richard Hayden | Son | — | 8 | ~1932 |
Census Appearances
1930
Hartford, Connecticut
Spouse, age 25
Hartford, Connecticut · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | Mary T |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Industry | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Hartford-County, Connecticut
Spouse, age 34
Hartford-County, Connecticut · implied b. ~1906 — 6 household members
| Surname | Hayden |
| Given Name | Mary E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | New Britain |
| 1935 Residence (County) | Hartford |
| Naturalization Status | Naturalized |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 34 · b. ~1906 · Connecticut
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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 — Hartford-County, Connecticut
Open full size
1940 US Federal Census — Hartford-County, Connecticut
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00504-00968)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia O'Neil | 4 | daughter | — | Connecticut |
| 42 | Churchill Bradley | 58 | Head | Gardener Chauffeur | Conn |
| 43 | Sherli Bradley | 41 | wife | — | Sweden |
| 44 | Churchill Bradley | 9 | son | — | Conn |
| 45 | William Bradley | 4 | son | — | Conn |
| 46 | Herman F. Hendrick | 39 | Head | Civil Engineer | New Hampshire |
| 47 | Maude S. Hendrick | 48 | wife | — | Mass |
| 48 | Barbara Hendrick | 12 | daughter | — | Massachusetts |
| 49 | Amy B. Marvin | 75 | Head | — | England |
| 50 | William Murphy | 47 | Head | Salesman | Connecticut |
| 51 | Anna B. Murphy | 48 | wife | — | Connecticut |
| 52 | John Kassig | 54 | Head | Annealer | Iowa |
| 53 | Dolores O. Kassig | 45 | wife | — | Michigan |
| 54 | Andrew Kassig | 16 | son | — | Connecticut |
| 55 | Dolores Kassig | 11 | daughter | — | Connecticut |
| 56 | Ruth Larson | 10 | ward | — | Connecticut |
| 57 | William A. Hayden | 37 | Head | Salesman | Connecticut |
| 58 | Mary E. Hayden THIS PERSON | 34 | wife | — | England |
| 59 | Nancy Ann Hayden | 10 | daughter | — | Connecticut |
| 60 | Richard Hayden | 8 | son | — | Connecticut |
| 61 | Mary Hayden | 5 | daughter | — | Connecticut |
| 62 | William Jr. Hayden | 0 | son | — | Connecticut |
| 63 | Johnstone Vance | 48 | Head | Newspaper Publisher | Connecticut |
| 64 | Ann S. Vance | 41 | wife | — | Connecticut |
| 67 | Matilda Schultz | 55 | Head | — | Connecticut |
| 68 | Mary Renshaw | 53 | Head | — | Connecticut |
| 69 | Clair Renshaw | 26 | daughter | Typing Department | Connecticut |
| 70 | Geraldine Renshaw | 22 | daughter | Drill Hole In Tubes | Connecticut |
| 71 | Florine Renshaw | 18 | daughter | — | Connecticut |
| 72 | Marion Renshaw | 17 | daughter | — | Connecticut |
| 73 | Lois Renshaw | 12 | daughter | — | Connecticut |
| 74 | Julius Schultz | 34 | Head | Deliveryman | Connecticut |
| 75 | Florence Schultz | 23 | wife | — | Connecticut |
| 76 | Julius Schultz | 2 | son | — | Connecticut |
| 78 | Edward F. Graham | 46 | Head | Director Of Community Chest | Ohio |
| 79 | Sara H. Graham | 47 | wife | — | Ohio |
| 80 | Richard H. Graham | 14 | son | — | Ohio |
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)