JB
John Barr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Barr across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Lyman & William — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Barr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Additional Details | |
| Occupation | Clerk |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Newark |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Lyman Barr | Son | — | 25 | ~1915 |
| John Barr | Son | — | 21 | ~1919 |
| Loretta Barr | Spouse | — | 47 | ~1893 |
| Lyman Barr | Head | — | 50 | ~1890 |
Census Appearances
1920
Hudson, New …
Son, age 2
Hudson, New Jersey · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bahr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bahr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 21
Essex-County, New Jersey · implied b. ~1919 — 4 household members
| Surname | Barr |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| 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 Barr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lyman Barr (~0.92 confidence) and father William Bahr (~0.92 confidence) and father William Bahr (~0.92 confidence) and mother Helen Bahr (~0.92 confidence) and mother Helen Bahr (~0.92 confidence) and mother Loretta Barr (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lyman Barr
b. ~1890
Source father
● Household
· direct · ~0.92
Father
William Bahr
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Bahr
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Helen Bahr
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Helen Bahr
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Loretta Barr
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Barr
Son · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Lyman Barr
Sibling · 1940 · age 25
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02417-00228)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Matthews | 83 | Mother | — | Pennsylvania |
| 2 | Lillian Vincent | 36 | Niece | Assistant | Pennsylvania |
| 3 | Frank H. Halstead | 55 | Husband | Accountant | New Jersey |
| 4 | Estelle L. Halstead | 53 | Wife | — | New York |
| 5 | Oscar Singer | 44 | Head | Salesman | Maine |
| 6 | Helen Singer | 44 | Wife | School Teacher | New Hampshire |
| 7 | Edwin S. Vaffrey | 73 | Head | — | New Jersey |
| 8 | Leah C. Vaffrey | 73 | Wife | — | New York |
| 9 | Melvin Fuller | 42 | Head | Major | Pennsylvania |
| 10 | Pearl Fuller | 38 | Wife | — | Pennsylvania |
| 11 | Carmen Fuller | 19 | Daughter | — | Pennsylvania |
| 12 | Mary O. Fuller | 0 | Daughter | — | China |
| 13 | Frank A. Schoener | 61 | Head | Real Estate | New Jersey |
| 14 | Helen F. Schoener | 61 | Wife | — | Illinois |
| 15 | Isaac E. Petus | 51 | Head | — | New Jersey |
| 16 | E. Kep Petus | 41 | Brother | — | New Jersey |
| 17 | Sanford Petus | 65 | Brother | Practice Nurse | New Jersey |
| 18 | Halsey Durand | 69 | Boarder | Chemist | New Jersey |
| 19 | Helen Durand | 63 | Sister | — | New Jersey |
| 20 | Siegman | 68 | Head | Junior Officer | New Jersey |
| 21 | Elizabeth M. Siegman | 65 | Wife | — | New Jersey |
| 22 | Lillie Rodes | 60 | Head | — | New Jersey |
| 23 | Edwin C. Saunier | 70 | Head | Executive | New York |
| 24 | Elsie R. Saunier | 54 | Wife | — | New Jersey |
| 25 | Hazel M. Saunier | 43 | Daughter | Bookkeeping Opr | New Jersey |
| 26 | Albert Arzinger | 43 | Head | Superintendent | Germany |
| 27 | Bertha Arzinger | 42 | Wife | — | Germany |
| 28 | Peter Peterson | 67 | Head | Supt Helper | Sweden |
| 29 | William Groner | 53 | Head | Manager | New York |
| 30 | Elizabeth Groner | 48 | Wife | — | New Jersey |
| 31 | Benedict Fischer | 55 | Head | Superintendent | New York |
| 32 | Anna Fischer | 52 | Wife | Superintendent | New York |
| 33 | Jean Grause | 30 | Head | Teacher | New York |
| 34 | Lyman Barr | 50 | Head | Conductor | Pennsylvania |
| 35 | Loretta Barr | 47 | Wife | — | Pennsylvania |
| 36 | Lyman Barr | 25 | Son | Coffee Blender | Pennsylvania |
| 37 | John Barr THIS PERSON | 21 | Son | Clerk | New Jersey |
| 38 | Robert Morris | 33 | Head | Lawyer | New Jersey |
| 39 | Lena Morris | 25 | Wife | — | New Jersey |
| 40 | Dan Mrs. Peiler | 70 | Head | — | Pennsylvania |
Pedigree Summary
John + 1 sibling
Gen 1 · 6 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)