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James Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Mullen across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Penna.
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Mullen |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Penna. |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mullen | Son | — | 9 | ~1931 |
| James Mullen | Son | — | 16 | ~1924 |
| Rose Mullen | Daughter | — | 4 | ~1936 |
| Catherine Mullen | Daughter | — | 13 | ~1927 |
| Thomas Mullen | Son | — | 6 | ~1934 |
| Catherine Mullen | Spouse | — | 40 | ~1900 |
| John Mullen | Son | — | 1 | ~1939 |
| James Mullen | Head | — | 43 | ~1897 |
| Rita Mullen | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 5
Philadelphia, Pennsylvania · implied b. ~1925 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullens |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 16
Philadelphia-County, Pennsylvania · implied b. ~1924 — 9 household members
| Surname | Mullen |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Penna. |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 James Mullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mullen
Son · 1940 · age 16 · b. ~1924 · Pennsylvania
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Sibling
Rose Mullen
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mullen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Mullen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mullen
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mullen
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mullen
Sibling · 1940 · age 9
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 — 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-t0627-03746-01040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Karp | 27 | Border | Press Gun | Penna. |
| 2 | Joseph Karp | 23 | Border | Spot Welder | Penna. |
| 3 | Stephen Purdos | 34 | Border | Spinner | Penna. |
| 4 | Charles Branski | 51 | Border | Dyer | Poland |
| 5 | Frank Heselski | 59 | Border | — | Poland |
| 6 | Madeline Morrell | 72 | Head | — | Penna. |
| 7 | John Morrell | 32 | Son | Laborer | Penna. |
| 8 | John Morrell | 75 | Brother | — | Penna. |
| 9 | Emma Wapniarski | 66 | Head | — | Germany |
| 10 | Walter Wapniarski | 45 | Son | Laborer | Penna. |
| 11 | John Carr | 52 | Head | Fireman | Penna. |
| 12 | Theresa Carr | 49 | Wife | — | Penna. |
| 13 | Catherine Carr | 27 | Daughter | Packer | Penna. |
| 14 | Mary Carr | 19 | Daughter | Sorter | Penna. |
| 15 | Thomas Carr | 15 | Son | — | Penna. |
| 16 | William Thompson | 43 | Head | Painter | Penna. |
| 17 | Emma Thompson | 57 | Wife | — | New Jersey |
| 18 | William Jr. Thompson | 12 | Son | — | Penna. |
| 19 | Joseph Fory | 52 | Head | Produce Dealer | Penna. |
| 20 | Emma Fory | 52 | Wife | — | Penna. |
| 21 | Anne M. Fory | 32 | Daughter | Secretary | Penna. |
| 22 | Paul D. Fory | 25 | Son | Truck Driver | Penna. |
| 23 | Catherine Fory | 22 | Daughter | New Worker | Penna. |
| 24 | James Mullen | 43 | Head | Driver | Penna. |
| 25 | Catherine Mullen | 40 | Wife | — | Penna. |
| 26 | James Jr. Mullen THIS PERSON | 16 | Son | — | Penna. |
| 27 | Catherine M. Mullen | 13 | Daughter | — | Penna. |
| 28 | Rita Mullen | 12 | Daughter | — | Penna. |
| 29 | Joseph Mullen | 9 | Son | — | Penna. |
| 30 | Thomas Mullen | 6 | Son | — | Penna. |
| 31 | Rose Mary Mullen | 4 | Daughter | — | Penna. |
| 32 | John Mullen | 1 | Son | — | Penna. |
| 33 | Thomas Versis | 62 | Head | Staker | Lithuania |
| 34 | Mary Versis | 49 | Wife | — | Lithuania |
| 35 | Emma Versis | 26 | Daughter | Bender | Penna. |
| 36 | Malvina Versis | 24 | Daughter | Labeler | Penna. |
| 37 | Anthony Versis | 21 | Son | Machine Operator | Penna. |
| 38 | Josephine Versis | 18 | Daughter | Packer | Penna. |
| 39 | Thomas Jr. Versis | 16 | Son | — | Penna. |
| 40 | John Versis | 14 | Son | — | Penna. |
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)