JC
James Crawford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this James Crawford across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Matthew & Estella — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Crawford |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Advertising |
| Industry | milk dairy Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1508 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Advertising |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| James Crawford | Head | — | 28 | ~1912 |
| James Crawford | Son | — | 1 | ~1939 |
| Jean Crawford | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Mercer, New …
Son, age 3
Mercer, New Jersey · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1916 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Mercer, New …
Son, age 18
Mercer, New Jersey · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1916 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Industry | Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Mercer-County, New …
Head, age 28
Mercer-County, New Jersey · implied b. ~1912 — 3 household members
| Surname | Crawford |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Naturalization Status | Alien |
| Occupation | Advertising |
| Industry | milk dairy Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1508 |
| Highest Grade | 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 James Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Matthew Crawford (~0.92 confidence) and mother Estella Crawford (~0.92 confidence) and mother Lettia Crawford (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Matthew Crawford
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Estella Crawford
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Lettia Crawford
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Crawford
Head · 1940 · age 28 · b. ~1912 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02436-00500)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel O'Hara | 22 | Wife | Branders | New Jersey |
| 2 | Joseph R. Walsh | 28 | Head | Assistant Civil Engineer | New Jersey |
| 3 | Rose Walsh | 21 | Wife | — | New York |
| 4 | Nancy Walsh | 0 | daughter | — | New Jersey |
| 5 | Henry V. Schuler | 51 | Head | Janitor | Pennsylvania |
| 6 | Susan Schuler | 51 | Wife | — | Scotland |
| 7 | Henry J. Schuler | 24 | son | Janitor | New Jersey |
| 8 | Dorothea Schuler | 22 | daughter | Operator | New Jersey |
| 9 | James Schuler | 19 | son | Delivery Boy | New Jersey |
| 10 | Margaret Schuler | 14 | daughter | — | New Jersey |
| 11 | Isabell Schuler | 13 | daughter | — | New Jersey |
| 12 | Joseph Schuler | 10 | son | — | New Jersey |
| 13 | Mary Dalton | 82 | Head | — | Ireland |
| 14 | Agnes Dalton | 49 | daughter | Wrapper | New Jersey |
| 15 | Vincent Dalton | 17 | Grand-son | Janitorial | New Jersey |
| 16 | Ellen Mccarthy | 74 | sister | — | Ireland |
| 17 | Leo V. Doyle | 40 | Head | Manager | Pennsylvania |
| 18 | Elsie Doyle | 33 | Wife | — | New Jersey |
| 19 | June Doyle | 13 | daughter | — | New Jersey |
| 20 | Joyce Doyle | 11 | daughter | — | New Jersey |
| 21 | Patricia Doyle | 2 | daughter | — | New Jersey |
| 22 | Mary G. Cook | 55 | Head | Decorator | New Jersey |
| 23 | Isabella M. Hermes | 60 | sister | — | New Jersey |
| 24 | Baltzer A. Hermes | 27 | nephew | Elevator Operat. | New Jersey |
| 25 | Farley Betteley | 47 | Head | Truck Driver | New Jersey |
| 26 | Mildred Betteley | 43 | Wife | — | New Jersey |
| 27 | George Betteley | 23 | son | Elevator Operat. | New Jersey |
| 28 | Paul Betteley | 14 | son | — | New Jersey |
| 29 | John S. Pietras | 32 | Head | Owner | New Jersey |
| 30 | Mary Pietras | 27 | Wife | — | New Jersey |
| 31 | James Crawford THIS PERSON | 28 | Head | Advertising | Ireland |
| 32 | Jean Crawford | 30 | Wife | — | Scotland |
| 33 | James Crawford | 1 | son | — | New Jersey |
| 34 | Francis J. Gorman | 29 | Head | Salesman | New Jersey |
| 35 | Mary Gorman | 24 | Wife | — | New Jersey |
| 36 | Francis Gorman | 3 | son | — | New Jersey |
| 37 | Mary E. Gorman | 2 | daughter | — | New Jersey |
| 38 | James Gorman | 1 | son | — | New Jersey |
| 39 | John Stitcher | 49 | Head | Meat Placer | Maryland |
| 40 | Florence Stitcher | 48 | Wife | Janitor | England |
Pedigree Summary
James
Gen 1 · 3 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)