JF
James Fitzgerald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this James Fitzgerald across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents William & Annie — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Clerk |
| Industry | Railroad Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Annie Fitzgerald | Head | — | 63 | ~1877 |
| James Fitzgerald | Son | — | 26 | ~1914 |
| Henry Fitzgerald | Son | — | 23 | ~1917 |
Census Appearances
1920
Hudson, New …
Son, age 4
Hudson, New Jersey · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 15
Hudson, New Jersey · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 26
Hudson-County, New Jersey · implied b. ~1914 — 3 household members
| Surname | Fitzgerald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Clerk |
| Industry | Railroad Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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. Identified parents: father William Fitzgerald (~0.92 confidence) and mother Annie Fitzgerald (~0.92 confidence) and father James Fitzgerald (~0.92 confidence) and mother Rose Fitzgerald (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Fitzgerald
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Annie Fitzgerald
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
James Fitzgerald
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Rose Fitzgerald
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Fitzgerald
Son · 1940 · age 26 · b. ~1914 · New Jersey
★ You are viewing this record
Sibling
Henry Fitzgerald
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02403-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Fitzgerald | 63 | Head | 0 | New Jersey |
| 2 | James Fitzgerald THIS PERSON | 26 | Son | Clerk | New Jersey |
| 3 | Henry Fitzgerald | 23 | Son | Clerk | New Jersey |
| 4 | Mary Black | 40 | Head | Clerk | New Jersey |
| 5 | Sarah Black | 36 | Sister | Clerk | New Jersey |
| 6 | Tekla Libon | 75 | Mother | 0 | Germany |
| 7 | John Ronan | 46 | Son | Radio Mechanic | New Jersey |
| 8 | Anna Ronan | 38 | Wife | 0 | New Jersey |
| 9 | John Ronan | 8 | Son | — | Long Island |
| 10 | Richard Ronan | 6 | Son | — | Long Island |
| 11 | Thomas Ronan | 4 | Son | — | Long Island |
| 12 | Irene Wahl | 29 | Head | Clerk | New Jersey |
| 13 | Estelle Wahl | 27 | Partner | Clerk | New Jersey |
| 14 | Thomas B. Jr. O'Connor | 39 | Head | Passenger Conductor | New Jersey |
| 15 | Mary O'Connor | 35 | Wife | 0 | New Jersey |
| 16 | Catherine O'Connor | 40 | Daughter | Clerical | New Jersey |
| 17 | Rose O'Connor | 35 | Daughter | Clerk | New Jersey |
| 18 | Edward O'Connor | 31 | Son | 0 | New Jersey |
| 19 | Della Briody | 58 | Sister | 0 | New Jersey |
| 20 | Mela Malti | 74 | Lodger | 0 | Germany |
| 21 | Raymond Freed | 39 | Head | Police | Pennsylvania |
| 22 | Gladys Freed | 38 | Wife | 0 | Pennsylvania |
| 23 | William Freed | 20 | Son | 0 | New Jersey |
| 24 | Gladys Freed | 18 | Daughter | 0 | Penna. |
| 25 | Audley Freed | 15 | Daughter | 0 | New Jersey |
| 26 | Raymond Freed | 12 | Son | 0 | New Jersey |
| 27 | Lois Freed | 10 | Daughter | 0 | New Jersey |
| 28 | Gloria Freed | 8 | Daughter | 0 | New Jersey |
| 29 | Richard Freed | 5 | Son | 0 | New Jersey |
| 30 | Joan Freed | 3 | Daughter | 0 | New Jersey |
| 31 | Victor Freed | 0 | Son | 0 | New Jersey |
| 32 | James Lynch | 38 | Head | Pamphlet Distributor | New Jersey |
| 33 | Sadie Lynch | 34 | Wife | 0 | New Jersey |
| 34 | James Jr. Lynch | 13 | Son | 0 | New Jersey |
| 35 | Joan Lynch | 6 | Daughter | 0 | New Jersey |
| 36 | George Lynch | 3 | Son | 0 | New Jersey |
| 37 | Beverly Lynch | 0 | Daughter | 0 | New Jersey |
| 38 | Mabel Gibson | 51 | Head | 0 | New Jersey |
| 39 | Charles Weeks | 52 | Head | Iron Roller | Pennsylvania |
| 40 | Mary Weeks | 52 | Wife | 0 | New Jersey |
Pedigree Summary
James + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)