JF
James Fitzgerald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this James Fitzgerald across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Grain Handler |
| Industry | Grain Docks |
| Class of Worker | PW |
| Income (1939) | 1120 |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Grain Handler |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1885 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Carol Fitzgerald | Daughter | — | 8 | ~1932 |
| James Fitzgerald | Head | — | 55 | ~1885 |
| James Fitzgerald | Son | — | 22 | ~1918 |
| Catherine Fitzgerald | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Erie, New …
Other, age 38
Erie, New York · implied b. ~1882 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Freight Handlr |
| Industry | B.R.P.R.R. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1907 |
| Birthplace (normalized) | ireland |
1930
Erie, New …
Head, age 47
Erie, New York · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Grain elevator |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 25000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Erie-County, New …
Head, age 55
Erie-County, New York · implied b. ~1885 — 4 household members
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Naturalization Status | First papers filed |
| Occupation | Grain Handler |
| Industry | Grain Docks |
| Class of Worker | PW |
| Income (1939) | 1120 |
| Highest Grade | 5 |
| 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 James Fitzgerald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Fitzgerald
Head · 1940 · age 55 · b. ~1885 · 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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02823-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Zalza | 24 | Head | Checker | Buffalo, N.Y. |
| 2 | Colette Zalza | 24 | Wife | — | Buffalo, N.Y. |
| 3 | Mary Zalza | 2 | Daughter | — | Buffalo, N.Y. |
| 4 | Emil A. Owens | 29 | Head | Strander | Buffalo, N.Y. |
| 5 | Margaret Owens | 27 | Wife | — | Buffalo, N.Y. |
| 6 | Leone E. Castle | 57 | Head | — | Buffalo, N.Y. |
| 7 | Emma Castle | 57 | Wife | — | Canada |
| 8 | Franklin Castle | 19 | Son | — | North Dakota |
| 9 | Eldora Castle | 18 | Daughter | — | North Dakota |
| 10 | Jean Castle | 15 | Daughter | — | Buffalo, N.Y. |
| 11 | Richard Castle | 12 | Son | — | Buffalo, N.Y. |
| 12 | Edward Pfeiffer | 30 | Head | Accountant | Pennsylvania |
| 13 | Margaret Pfeiffer | 28 | Wife | — | Buffalo, N.Y. |
| 14 | Gary Pfeiffer | 7 | Son | — | Buffalo, N.Y. |
| 15 | Lee Pfeiffer | 5 | Son | — | Buffalo, N.Y. |
| 16 | Leo Mann | 30 | Lodger | Laborer | Buffalo, N.Y. |
| 17 | Ruth Mann | 26 | Lodger | Waitress | Buffalo, N.Y. |
| 19 | Edward G. Shields | 65 | Head | Steward | Buffalo, N.Y. |
| 20 | Alice Shields | 46 | Wife | — | Buffalo, N.Y. |
| 21 | Catherine Smith | 52 | Head | — | Ireland |
| 22 | James Smith | 29 | Son | Clerk | Buffalo, N.Y. |
| 23 | Thomas Smith | 27 | Son | Clerk | Buffalo, N.Y. |
| 24 | Matthew Smith | 25 | Son | Freight Handler | Buffalo, N.Y. |
| 25 | Mary Smith | 27 | Daughter | Stenographer | Buffalo, N.Y. |
| 26 | Kathleen Smith | 20 | Daughter | Stenographer | Buffalo, N.Y. |
| 27 | Henry Smith | 19 | Son | Bus Driver | Buffalo, N.Y. |
| 28 | Anna Smith | 15 | Daughter | — | Buffalo, N.Y. |
| 29 | Gertrude Smith | 12 | Daughter | — | Buffalo, N.Y. |
| 30 | Joseph Haas | 51 | Head | Laborer | Austria |
| 31 | Antoinette Haas | 49 | Wife | — | Austria |
| 32 | Joseph Haas | 22 | Son | Printer | Buffalo, N.Y. |
| 33 | John Haas | 18 | Son | Printer | Buffalo, N.Y. |
| 34 | Elsie Haas | 12 | Daughter | — | Buffalo, N.Y. |
| 35 | Julia Mullen | 24 | Daughter | Waitress | Buffalo, N.Y. |
| 36 | Michael Mullen | 5 | Grandson | — | Buffalo, N.Y. |
| 37 | James Fitzgerald THIS PERSON | 55 | Head | Grain Handler | Ireland |
| 38 | Catherine Fitzgerald | 56 | Wife | — | Ireland |
| 39 | James Jr. Fitzgerald | 22 | Son | Lineman | Buffalo, N.Y. |
| 40 | Carol Fitzgerald | 8 | Daughter | — | Buffalo, N.Y. |
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)