JF
John Flaherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Flaherty across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Shipping clerk |
| Industry | Elec. Supply Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Shipping Clerk |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Margaret Flaherty | Spouse | — | 32 | ~1908 |
| Joseph Flaherty | Son | — | ~1940 | |
| John Flaherty | Head | — | 36 | ~1904 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Box |
| Industry | Maker |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Philadelphia, Pennsylvania
Son, age 26
Philadelphia, Pennsylvania · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Boxmaker |
| Industry | Wooden Boxes |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Philadelphia-County, Pennsylvania
Head, age 36
Philadelphia-County, Pennsylvania · implied b. ~1904 — 3 household members
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Shipping clerk |
| Industry | Elec. Supply Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 John Flaherty (~0.92 confidence) and father John Flaherty (~0.92 confidence) and mother Anna Flaherty (~0.92 confidence) and mother Mamie Flaherty (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Flaherty
b. ~1852
Source father
● Household
· direct · ~0.92
Father
John Flaherty
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Anna Flaherty
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mamie Flaherty
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Flaherty
Head · 1940 · age 36 · b. ~1904 · Pennsylvania
★ 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03733-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stephen Cook | 31 | Son in law | Spot Welder | Pennsylvania |
| 42 | Helen Cook | 30 | Daughter | Stenographer | Pennsylvania |
| 43 | Alfred Harmann | 23 | Head | Coal Dealer | Pennsylvania |
| 44 | Anna Harmann | 22 | Wife | Tape Weaver | Pennsylvania |
| 45 | James Elliott | 26 | Head | Truck Driver | Pennsylvania |
| 46 | Florence Elliott | 22 | Wife | — | Pennsylvania |
| 47 | James Elliott | 5 | Son | 0 | Pennsylvania |
| 48 | Richard Elliott | 3 | Son | 0 | Pennsylvania |
| 49 | Robert Elliott | 1 | Son | 0 | Pennsylvania |
| 50 | Eileen Long | 20 | Lodger | Clerk | Pennsylvania |
| 51 | James Cathers | 35 | Lodger | Truck Driver | Pennsylvania |
| 52 | George Anderson | 35 | Head | Rug Cleaner | Scotland |
| 53 | Agnes Anderson | 44 | Sister | Press Operator | Scotland |
| 54 | John Flaherty THIS PERSON | 36 | Head | Shipping Clerk | Connecticut |
| 55 | Margaret Flaherty | 32 | Wife | Mender | Scotland |
| 56 | Joseph Flaherty | 0 | Son | 0 | Pennsylvania |
| 57 | George Frenga | 27 | Head | Clerk | Pennsylvania |
| 58 | Edna Frenga | 22 | Wife | — | Pennsylvania |
| 59 | Gustav Toro | 41 | Head | Piano Tuner | Italy |
| 60 | Florence Toro | 39 | Wife | — | Pennsylvania |
| 61 | Gustav Toro | 20 | Son | Salesman | Pennsylvania |
| 62 | Florence Toro | 18 | Daughter | — | Pennsylvania |
| 63 | Dolores Toro | 12 | Daughter | — | Pennsylvania |
| 64 | Florence Brown | 53 | Head | — | Pennsylvania |
| 65 | Marshall Brown | 24 | Son | Tool Maker | Pennsylvania |
| 66 | Samuel Williamson | 31 | Head | Machinist | Pennsylvania |
| 67 | Theresa Williamson | 24 | Wife | — | Pennsylvania |
| 68 | Louise J. Krier | 52 | Mother | — | Pennsylvania |
| 69 | Edward W. Wobensmith | 30 | Head | Taxi Driver | California |
| 70 | Mary E. Wobensmith | 25 | Wife | — | Maryland |
| 71 | Edward Wobensmith | 3 | Son | 0 | New Jersey |
| 72 | Ralph Rodebaugh | 30 | Cousin | Delivery Man | Pennsylvania |
| 73 | Charles Wobensmith | 21 | Brother | Bartender | Pennsylvania |
| 74 | Clarence Crone | 62 | Head | Machinist | Ohio |
| 75 | Nellie Crone | 58 | Wife | — | Massachusetts |
| 76 | Lillian Winder | 48 | Head | Assembler | Pennsylvania |
| 77 | Lillian E. Winder | 19 | Daughter | New Worker | Pennsylvania |
| 78 | Florence Kemmler | 49 | Sister | — | Pennsylvania |
| 79 | Jesse D. Lower | 51 | Head | Clerk | Pennsylvania |
| 80 | Martha Lower | 51 | Wife | — | Pennsylvania |
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)