JF
John Flaherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this John Flaherty across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents Catherine & John — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Flaherty |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Fair Lawn borough |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | Salesman |
| Industry | Industrial Chem |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 4500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesman |
| Township / Ward | Fair Lawn Borough |
| Est. Birth Year | ~1902 |
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 Flaherty | Son | — | 5 | ~1935 |
| Elizabeth Flaherty | Spouse | — | 33 | ~1907 |
| John Flaherty | Head | — | 38 | ~1902 |
Census Appearances
1920
Kings, New …
Son, age 18
Kings, New York · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Salesman |
| Industry | Tea Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 27
Kings, New York · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Salesman |
| Industry | Investment Bonds |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bergen-County, New …
Head, age 38
Bergen-County, New Jersey · implied b. ~1902 — 3 household members
| Surname | Flaherty |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Fair Lawn borough |
| 1935 Residence (County) | Bergen |
| Occupation | Salesman |
| Industry | Industrial Chem |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 4500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Flaherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Flaherty (~0.92 confidence) and father John Flaherty (~0.92 confidence) and mother Mary Flaherty (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Flaherty
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
John Flaherty
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Flaherty
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Flaherty
Head · 1940 · age 38 · b. ~1902 · 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 — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02307-00037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frederick Mccarthy | 32 | Head | Audit Clerk | Maine |
| 42 | Mildred Mccarthy | 28 | Wife | 0 | N. Y. |
| 43 | Elizabeth Ann Mccarthy | 2 | Daughter | 0 | N. J. |
| 44 | Harry Lee | 31 | Head | Electrician | New Jersey |
| 45 | Blanche Lee | 30 | Wife | Cashier Stenog | New Jersey |
| 46 | Extra Line | None | — | — | — |
| 47 | Randall Kigar | 31 | Head | Salesman | Maine |
| 48 | Marjorie Kigar | 27 | Wife | 0 | New Jersey |
| 49 | Randall Jr Kigar | 3 | Son | 0 | N. York |
| 50 | Stanley E Forrester | 27 | Head | Clerk | N. York |
| 51 | Jessie Forrester | 27 | Wife | 0 | N. York |
| 52 | Eelin Forrester | 1 | Daughter | 0 | N. York |
| 53 | Joseph Belay | 31 | Head | Manager | Ohio |
| 54 | Teresa Belay | 29 | Wife | 0 | Hungary |
| 55 | Marilyn Belay | 8 | Daughter | 0 | N. Jersey |
| 56 | John A Flaherty THIS PERSON | 38 | Head | Salesman | New York |
| 57 | Elizabeth M Flaherty | 33 | Wife | 0 | N. Jersey |
| 58 | John E. Flaherty | 5 | Son | 0 | N. Jersey |
| 59 | Horace Stevens Jr Everett | 31 | Head | Advt. Mgr. | Mass. |
| 60 | Jane Everett | 26 | Wife | 0 | Nebraska |
| 61 | Linda Everett | 3 | Daughter | 0 | N. York |
| 62 | Robert M Mauet | 26 | Head | Salesman | N. Jersey |
| 63 | Nina Mauet | 25 | Wife | 0 | Ohio |
| 64 | Roberta Mauet | 2 | Daughter | 0 | N. J. |
| 65 | Olga Mccullough | 71 | Head | 0 | Denmark |
| 66 | Constance Mccullough | 31 | Daughter | Secretary | New Jersey |
| 67 | Mildred A Mccullough | 28 | Daughter | Secretary | N. Jersey |
| 68 | Herbert Hansen | 44 | Son | Sales & Repair | N. J. |
| 69 | Joseph C. Keeton | 57 | Head | Salesman | Conn. |
| 70 | Sallie W Keeton | 55 | Wife | 0 | N. Y. |
| 71 | Jane Thompson | 66 | Sister in law | 0 | N. Y. |
| 72 | George Jaquiss | 32 | Head | Salesman | N. Y. |
| 73 | Doris Jaquiss | 27 | Wife | 0 | N. J. |
| 74 | William Maynard | 25 | Head | Superintendent | N. J. |
| 75 | Margaret Maynard | 27 | Wife | 0 | Penna |
| 76 | William Jr Maynard | 2 | Son | 0 | N. J. |
| 77 | Alexis W Vartoff | 28 | Head | Office Mgr. | Finland |
| 78 | Marguerite Vartoff | 32 | Wife | 0 | Ohio |
| 79 | Michael Vartoff | 3 | Son | 0 | New York |
| 80 | Douglas Macmillan | 27 | Head | Marine Engin | Massachusetts |
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)