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Mary Lindsay — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, New York
Our Model Tree links this Mary Lindsay across the 1920, 1930 and 1940 US Censuses in Suffolk-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 4-person household.
Age 70
b. ~1870
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, New York |
| Surname | Lindsay |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Mattituck |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Mattituck |
| Est. Birth Year | ~1870 |
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 |
|---|---|---|---|---|
| William Lindsay | Son | — | 38 | ~1902 |
| James Lindsay | Head | — | 68 | ~1872 |
| Gertrude Lindsay | Daughter | — | 38 | ~1902 |
| Mary Lindsay | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Suffolk, New …
Spouse, age 52
Suffolk, New York · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Suffolk, New …
Other, age 62
Suffolk, New York · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Suffolk-County, New …
Spouse, age 70
Suffolk-County, New York · implied b. ~1870 — 4 household members
| Surname | Lindsay |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Mattituck |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Lindsay 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 Lindsay
Spouse · 1940 · age 70 · b. ~1870 · 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 — Suffolk-County, New York
Open full size
1940 US Federal Census — Suffolk-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02789-00744)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Northridge | 19 | Wife | — | New York |
| 42 | Mildred Northridge | 1 | Daughter | — | New York |
| 43 | Paul Sr. Schmid | 53 | Head | Painter | New York |
| 44 | Paul Jr. Schmid | 24 | Son | Insurance | New York |
| 45 | James Schmid | 19 | Son | Salesman | New York |
| 46 | Charles Schindler | 67 | Head | — | New York |
| 47 | Jessie Schindler | 53 | Wife | — | New York |
| 48 | Clifford Schott | 35 | Head | Laborer | New York |
| 49 | Florence Schott | 33 | Wife | Laundry | New York |
| 50 | Theodore Breiling | 41 | Head | Manager | New York |
| 51 | Eva Breiling | 44 | Wife | — | New York |
| 52 | Winfield Robinson | 51 | Head | — | New York |
| 53 | Theresa Robinson | 41 | Wife | Chamber | Canada English |
| 54 | Margaret Robinson | 14 | Daughter | — | New York |
| 55 | Frank Robinson | 13 | Son | — | New York |
| 56 | James Lindsay | 68 | Head | Farmer | New York |
| 57 | Mary Lindsay THIS PERSON | 70 | Wife | — | New York |
| 58 | William A. Lindsay | 38 | Son | Farmer | New York |
| 59 | Gertrude E. Lindsay | 38 | Daughter | — | New York |
| 60 | Gertrude Roepers | 63 | Head | — | New York |
| 61 | Gertrude Roepers | 38 | Daughter | Clerk | New York |
| 62 | Robert Haskett | 35 | Head | Laborer | Virginia |
| 63 | Rose Haskett | 35 | Wife | Farmer | New York |
| 64 | Robert Haskett | 10 | Son | — | New York |
| 65 | William Haskett | 6 | Son | — | New York |
| 66 | Theodore Dilowski | 27 | Head | Laborer | New York |
| 67 | Florence Dilowski | 21 | Wife | — | New York |
| 68 | Emma Dilowski | 2 | Daughter | — | New York |
| 69 | Mike Dilowski | 54 | Head | Laborer | Poland |
| 70 | Mary Dilowski | 46 | Wife | — | Poland |
| 71 | Edward Dilowski | 24 | Son | Laborer | New York |
| 72 | Bruno Dilowski | 19 | Son | — | New York |
| 73 | Eugene Dilowski | 18 | Son | — | New York |
| 74 | Alex Dilowski | 15 | Son | — | New York |
| 75 | Rose Dilowski | 14 | Daughter | — | New York |
| 76 | Elizabeth Dilowski | 11 | Daughter | — | New York |
| 77 | Joseph Dilowski | 38 | Son | Laborer | Poland |
| 78 | William Dilowski | 33 | Son | Salesman | New York |
| 79 | William J. Dilowski | 67 | Wife | — | New York |
| 80 | Dilowski | None | — | — | — |
Related Census Records
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)