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Mary Dalton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Dalton across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 4-person household.
Age 51
b. ~1889
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Dalton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | NEW YORK CITY |
| 1935 Residence (County) | KINGS |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| Est. Birth Year | ~1889 |
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 |
|---|---|---|---|---|
| Eileen Dalton | Daughter | — | 13 | ~1927 |
| Thomas Dalton | Son | — | 11 | ~1929 |
| Mary Dalton | Spouse | — | 51 | ~1889 |
| Corneluis Dalton | Head | — | 54 | ~1886 |
Census Appearances
1920
New York, …
Spouse, age 32
New York, New York · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dalton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Spouse, age 42
Kings, New York · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dalton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Spouse, age 51
Kings-County, New York · implied b. ~1889 — 4 household members
| Surname | Dalton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | NEW YORK CITY |
| 1935 Residence (County) | KINGS |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Dalton across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dalton
Spouse · 1940 · age 51 · b. ~1889 · New York
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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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02578-00592)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas F Dennin | 15 | Son | — | New York |
| 42 | Theresa V Dennin | 10 | Daughter | — | New York |
| 43 | Anna M Dennin | 9 | Daughter | — | New York |
| 44 | William N. Daw | 32 | Head | Chauffeur | New York |
| 45 | Ethel E Daw | 29 | Wife | — | Mass. |
| 46 | William N Jr. Daw | 6 | Son | — | New York |
| 47 | Marie E Daw | 5 | Daughter | — | New York |
| 48 | Dorothy Daw | 4 | Daughter | — | New York |
| 49 | Margaret Daw | 2 | Daughter | — | New York |
| 50 | Ruth Davis | 23 | Sister in law | Waitress | Mass. |
| 51 | James J. O'Brien | 45 | Head | Operator | Ireland |
| 52 | Beatrice R O'Brien | 54 | Wife | — | Ireland |
| 53 | Kathleen O'Brien | 16 | Daughter | — | New York |
| 54 | James O'Brien | 12 | Son | — | New York |
| 55 | Corneluis Dalton | 54 | Head | Elevator Operator | Ireland |
| 56 | Mary Dalton THIS PERSON | 51 | Wife | — | Ireland |
| 57 | Eileen Dalton | 13 | Daughter | — | New York |
| 58 | Thomas Dalton | 11 | Son | — | New York |
| 59 | Edward Read | 72 | Head | Bookkeeper | New York |
| 60 | Louise A Read | 70 | Wife | — | New York |
| 61 | Bernard F Hope | 33 | Head | Helper | New York |
| 62 | Leonora F Hope | 20 | Wife | — | New York |
| 63 | John V Hope | 4 | Son | — | New York |
| 64 | David J Mahony | 65 | Head | Shipping Clerk | New York |
| 65 | Hannah Mahony | 66 | Wife | — | New York |
| 66 | Eleanor Wiebush | 19 | Niece | — | New York |
| 67 | Patrick F Borley | 61 | Head | — | Scotland |
| 68 | Mary Borley | 66 | Wife | — | New York |
| 69 | Charles Koehl | 59 | Head | Jewler | New York |
| 70 | Madelaine Koehl | 61 | Sister | — | New York |
| 71 | Edith Dunsing | 57 | Lodger | Operator | New York |
| 72 | James T Kane | 57 | Head | Operator | New York |
| 73 | Anna R Kane | 27 | Daughter | — | New York |
| 74 | Josephine M Kane | 24 | Daughter | Wrapper | New York |
| 75 | Veronica Kane | 20 | Daughter | Wrapper | New York |
| 76 | Patrick O'Shea | 35 | Head | Helper | Ireland |
| 77 | Nora O'Shea | 43 | Sister | — | Ireland |
| 78 | Paul Montcalm | 64 | Head | Sect | New York |
| 79 | Helen M Olsen | 46 | Head | — | New York |
| 80 | Mae Watson | 57 | Sister | Collector | New York |
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)