JC
John Crawford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this John Crawford across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Sarah — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Pompton Lakes |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Guard |
| Industry | Munitions |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Guard |
| Township / Ward | Pompton Lakes |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| John Crawford | Head | — | 26 | ~1914 |
| John Crawford | Son | — | 4 | ~1936 |
| Dorothy Crawford | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Passaic, New …
Son, age 6
Passaic, New Jersey · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Son, age 16
Passaic, New Jersey · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Head, age 26
Passaic-County, New Jersey · implied b. ~1914 — 3 household members
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Pompton Lakes |
| 1935 Residence (County) | Passaic |
| Occupation | Guard |
| Industry | Munitions |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 John Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Crawford (~0.92 confidence) and mother Sarah Crawford (~0.92 confidence) and father John Crawford (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Crawford
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Sarah Crawford
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Crawford
b. ~1882
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Crawford
Head · 1940 · age 26 · b. ~1914 · 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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02379-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maria Howell | 21 | daughter | Winder | New Jersey |
| 2 | Robert Howell | 18 | son | — | New Jersey |
| 3 | Russell Richards | 45 | Head | Butcher | New Jersey |
| 4 | Winifred Richards | 45 | wife | — | New Jersey |
| 5 | Sara Richards | 26 | daughter | Inspector | New Jersey |
| 6 | James Richards | 23 | son | Mason | New Jersey |
| 7 | Dorothy Richards | 21 | daughter | — | New Jersey |
| 8 | John Richards | 17 | son | — | New Jersey |
| 9 | Jerry Richards | 13 | son | — | New Jersey |
| 10 | Lois Richards | 9 | daughter | — | New Jersey |
| 11 | Philip Ringules | 50 | Head | Machinist | New York |
| 12 | Gertrude Ringules | 34 | wife | — | New Jersey |
| 13 | James Ringules | 9 | daughter | — | New Jersey |
| 14 | Sylvia Ringules | 7 | daughter | — | New Jersey |
| 15 | Edward Ringules | 5 | son | — | New Jersey |
| 16 | John Crawford THIS PERSON | 26 | Head | Guard | New Jersey |
| 17 | Dorothy Crawford | 25 | wife | — | New Jersey |
| 18 | John Crawford | 4 | son | — | New Jersey |
| 19 | Jan Gardner | 51 | Head | Lineman | Holland |
| 20 | Ida Gardner | 41 | wife | Inspector | Holland |
| 21 | Julia Gardner | 20 | daughter | Clerk | New Jersey |
| 22 | Charles Gardner | 17 | son | — | New Jersey |
| 23 | John Kleyf | 43 | Head | Driver | New Jersey |
| 24 | Anna Kleyf | 43 | wife | — | Holland |
| 25 | Cornelia Kleyf | 20 | daughter | Inspector | New York |
| 26 | John Kleyf | 19 | son | — | Holland |
| 27 | Albert Kleyf | 8 | son | — | New Jersey |
| 28 | Joseph Wood | 42 | Head | Inspector | New York |
| 29 | Martha Wood | 42 | wife | — | New York |
| 30 | Joseph Jr Wood | 21 | son | Mechanic | New Jersey |
| 31 | Robert Wood | 19 | son | Mechanic | New Jersey |
| 32 | Martha Wood | 13 | daughter | — | New Jersey |
| 33 | Nicholas Wood | 5 | son | — | New Jersey |
| 34 | A. C. Mathes | 24 | Head | Foreman | New Jersey |
| 35 | Katherine Mathes | 24 | wife | — | New Jersey |
| 36 | Arthur Holzschuh | 51 | Head | Policeman | New Jersey |
| 37 | Elizabeth Holzschuh | 38 | wife | — | New Jersey |
| 38 | Alice Fletcher | 53 | Head | Carpenter | New York |
| 39 | Alice Fletcher | 51 | wife | — | New York |
| 40 | John Jr Fletcher | 30 | son | Laborer | New Jersey |
Pedigree Summary
John
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)