JF
John Flaherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this John Flaherty across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Flaherty |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Mortgage Co |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1800 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Bookkeeper |
| Township / Ward | New York |
| Est. Birth Year | ~1907 |
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 |
|---|---|---|---|---|
| William Flaherty | Head | — | 67 | ~1873 |
| John Flaherty | Son | — | 33 | ~1907 |
| Ella Flaherty | Spouse | — | 62 | ~1878 |
Census Appearances
1920
New York, …
Son, age 13
New York, New York · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 23
New York, New York · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Book-keeper |
| Industry | Gas Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Son, age 33
New-York-County, New York · implied b. ~1907 — 3 household members
| Surname | Flaherty |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Occupation | Bookkeeper |
| Industry | Mortgage Co |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1800 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| 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: father William Flaherty (~0.92 confidence) and father William Flaherty (~0.92 confidence) and mother Eva Flaherty (~0.92 confidence) and mother Ella Flaherty (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Flaherty
b. ~1873
Source father
● Household
· direct · ~0.92
Father
William Flaherty
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Eva Flaherty
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Ella Flaherty
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Flaherty
Son · 1940 · age 33 · b. ~1907 · New York
★ 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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02668-00204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edith Mckenney | 23 | Daughter | Stenographer | New York |
| 42 | Harold Mckenney | 21 | Son | — | New York |
| 43 | Ranny Huhn | 45 | Head | Seamstress | Germany |
| 44 | Eve Huhn | 40 | Sister | Salesgirl | Germany |
| 45 | Helen Blum | 36 | Sister | Floor Super | Germany |
| 46 | Helen Blum | 44 | Sister | — | Germany |
| 47 | Jacob Huhn | 73 | Father | — | Germany |
| 48 | Isaac Nicholson | 65 | Head | Salesman | Mass. |
| 49 | Marguerite Nicholson | 57 | Wife | — | Virginia |
| 50 | Frank Trimmes | 28 | Lodger | Salesman | Cuba |
| 51 | Morton Weisman | 52 | Lodger | Blocker | New York |
| 52 | Elizabeth Johnston | 67 | Lodger | File Clerk | New York |
| 53 | Christian Masterson | 72 | Head | — | New York |
| 54 | Jenny Vaughan | 42 | Daughter | Clerk | New York |
| 55 | John Snyder | 48 | Lodger | Elevator Oper | Norway |
| 56 | Nils Hertzon | 41 | Head | Mechanical Engineer | Sweden |
| 57 | Thora Hertzon | 37 | Wife | — | Sweden |
| 58 | George Toles | 45 | Lodger | Head Waiter | Hawaii |
| 59 | Mercedes Ramirez | 27 | Lodger | Asst Check Girl | Porto Rico |
| 60 | Maurice Reilly | 54 | Head | Deck Hand | Conn. |
| 61 | Helen Reilly | 51 | Wife | — | Conn. |
| 62 | Edward Walsh | 47 | Head | Clerical Worker | Irish Free St |
| 63 | Blanche Warren | 52 | Housekeeper | — | Canada Eng |
| 64 | John F. Maccarthy | 37 | Lodger | Messenger | Irish Free St |
| 65 | Peter J. Kelleher | 36 | Lodger | Mgr Of Office | Irish Free St |
| 66 | Thomas F. Ryan | 47 | Lodger | Gas Attendant | Irish Free St |
| 67 | Mihalopoulo Konstantinou | 43 | Head | Waiter | Greece |
| 68 | Diana Konstantinou | 48 | Wife | — | Greece |
| 69 | Louis Magus | 29 | Lodger | Counterman | Greece |
| 70 | Margaret Demas | 52 | Head | Housekeeper | Mass. |
| 71 | Morton Eschelbach | 48 | Lodger | Salesman | New York |
| 72 | Ettie Eschelbach | 42 | Lodger | — | New York |
| 73 | Edna Flanagan | 75 | Lodger | — | Indiana |
| 74 | Joseline Lassow | 58 | Lodger | Seamstress | Costa Rica |
| 75 | Arthur Saas | 65 | Lodger | Private Detective | New York |
| 76 | Ross Stanley | 65 | Lodger | Representative | New Jersey |
| 77 | William Flaherty | 67 | Head | Taxi Cab | New York |
| 78 | Ella B. Flaherty | 62 | Wife | — | New York |
| 79 | John F. Flaherty THIS PERSON | 33 | Son | Bookkeeper | New York |
| 80 | Joseph Daly | 47 | Head | Automobile Mechanic | Irish Free St |
Pedigree Summary
John
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)