MF
Mary Fitzpatrick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Fitzpatrick across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 2-person household.
Age 57
b. ~1883
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York |
| Est. Birth Year | ~1883 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Fitzpatrick | Head | — | 57 | ~1883 |
| James Fitzpatrick | Son | — | 33 | ~1907 |
Census Appearances
1920
New York, …
Other, age 44
New York, New York · implied b. ~1876 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Mary |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Other, age 52
New York, New York · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
New-York-County, New …
Head, age 57
New-York-County, New York · implied b. ~1883 — 2 household members
| Surname | Fitzpatrick |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Highest Grade | No 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 Fitzpatrick 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 Fitzpatrick
Head · 1940 · age 57 · b. ~1883 · 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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
22 people indexed on this census page (nara:1940:m-t0627-02649-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Casey | 40 | Son | Electrician | New York |
| 42 | Harry Casey | 57 | Head | Watchman | New York |
| 43 | Margaret Casey | 49 | Wife | — | Ireland |
| 44 | William Casey | 26 | Son | — | New York |
| 45 | Joseph Burke | 60 | Head | Work Relief | Ireland |
| 46 | Anna Mcguire | 64 | Head | Engineer | Ireland |
| 47 | George Mcguire | 35 | Son | — | New York |
| 48 | Mary Fitzpatrick THIS PERSON | 57 | Head | — | Ireland |
| 49 | James Fitzpatrick | 33 | Son | — | New York |
| 50 | Anna Scott | 60 | Head | Laborer | New York |
| 51 | Dora Scott | 65 | Sister | — | New York |
| 52 | Martha Merritt | 71 | Head | — | Ireland |
| 53 | Sarah E. Lucas | 54 | Head | Sewer | Massachusetts |
| 54 | Ray Glass | 64 | Head | — | New York |
| 55 | Mary Mctague | 73 | Head | — | New York |
| 56 | Catherine Marmola | 71 | Head | — | Italy |
| 57 | John Mcginley | 59 | Head | Plateman | New York |
| 58 | Agnes Mcginley | 56 | Wife | — | New York |
| 59 | Roberta Lee | 62 | Head | — | New Jersey |
| 60 | Mary Mulford | 68 | Head | — | Ireland |
| 61 | Margaret Kelly | 75 | Head | Cleaner | Ireland |
| 62 | Alice Keen | 76 | Head | — | Pennsylvania |
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)