JM
John Mcnulty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Mcnulty across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McNulty |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Clerk |
| Industry | Phila Coke |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1911 |
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 Mcnulty | Head | — | 29 | ~1911 |
| Helen Mcnulty | Spouse | — | 27 | ~1913 |
| John Mcnulty | Son | — | 3 | ~1937 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 9
Philadelphia, Pennsylvania · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 19
Philadelphia, Pennsylvania · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNulty |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Auto Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 29
Philadelphia-County, Pennsylvania · implied b. ~1911 — 3 household members
| Surname | McNulty |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Clerk |
| Industry | Phila Coke |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Mcnulty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcnulty (~0.92 confidence) and father John Mcnulty (~0.92 confidence) and mother Saffy Mcnulty (~0.92 confidence) and mother Sallie Mcnulty (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcnulty
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Mcnulty
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Saffy Mcnulty
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Sallie Mcnulty
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcnulty
Head · 1940 · age 29 · b. ~1911 · 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-t0627-03726-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Powers Lawrence Blackburn | 70 | Lodger | Laborer | Pennsylvania |
| 2 | Frederick Stevens | 45 | Head | Superintendent | Pennsylvania |
| 3 | Mabel F Stevens | 45 | Wife | — | Pennsylvania |
| 4 | Robert F Stevens | 18 | Son | — | Pennsylvania |
| 5 | Caroline M Fletcher | 70 | Lodger | — | Pennsylvania |
| 6 | Patrick La Pergola | 30 | Head | Barber | Pennsylvania |
| 7 | Mary E La Pergola | 38 | Wife | — | Pennsylvania |
| 8 | Alan P La Pergola | 8 | Son | — | Pennsylvania |
| 9 | Robert L La Pergola | 5 | Son | — | Pennsylvania |
| 10 | Kenneth G La Pergola | 3 | Son | — | Pennsylvania |
| 11 | Andrew Rudich | 48 | Lodger | — | Pennsylvania |
| 12 | Robert J Pole | 30 | Head | Driver-Salesman | Pennsylvania |
| 13 | Cecilia M Pole | 28 | Wife | Bookkeeper | Pennsylvania |
| 14 | John J Mcnulty THIS PERSON | 29 | Head | Clerk | Pennsylvania |
| 15 | Helen F Mcnulty | 27 | Wife | — | Pennsylvania |
| 16 | John L Mcnulty | 3 | Son | — | Pennsylvania |
| 17 | Walter Buckman | 50 | Head | Stock Clerk | Pennsylvania |
| 18 | Anna Buckman | 80 | Mother | — | Pennsylvania |
| 19 | Mary Barber | 53 | Lodger | — | Pennsylvania |
| 20 | William Worsnam | 35 | Head | Salesman | Pennsylvania |
| 21 | Violet M Worsnam | 31 | Wife | — | Pennsylvania |
| 22 | Emmett R Shephard | 46 | Head | Salesman | Pennsylvania |
| 23 | Ethel Shephard | 44 | Wife | — | Pennsylvania |
| 24 | Everett Jr Shephard | 24 | Son | Salesman | Pennsylvania |
| 25 | Ellsworth R Shephard | 13 | Son | — | Pennsylvania |
| 26 | Ezra S Wasler | 71 | Lodger | — | Pennsylvania |
| 27 | W Bruce Walton | 62 | Head | Chiropodist | Pennsylvania |
| 28 | Ethel R Walton | 59 | Wife | — | Pennsylvania |
| 29 | Frederick Schlafer | 56 | Head | Tool Maker | Pennsylvania |
| 30 | Lillian Schlafer | 54 | Wife | — | England |
| 31 | Richard Schlafer | 28 | Son | — | Pennsylvania |
| 32 | Mary C Schlafer | 21 | Daughter | Genl Work | Pennsylvania |
| 33 | George Jr Blake | 52 | Head | Salesman | Pennsylvania |
| 34 | Helen F Blake | 52 | Wife | — | Pennsylvania |
| 35 | George 3Rd Blake | 20 | Son | Loader | Pennsylvania |
| 36 | Ida Minster | 63 | Lodger | — | Pennsylvania |
| 37 | Charles H Heyer | 60 | Head | Salesman | Pennsylvania |
| 38 | Elizabeth I Heyer | 66 | Wife | — | Pennsylvania |
| 39 | Lawrence A Binder | 48 | Head | Mechanic | Pennsylvania |
| 40 | Emilie J M Binder | 47 | 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)