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James Mullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Somerset-County, New Jersey
Our Model Tree links this James Mullen across the 1930 and 1940 US Censuses in Somerset-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, New Jersey |
| Surname | Mullen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Finderne |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Occupation | Instrument maker |
| Industry | Chemical Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1276 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Instrument Maker |
| Township / Ward | Finderne |
| Est. Birth Year | ~1913 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| William Mullen | Son | — | 16 | ~1924 |
| Francis Mullen | Son | — | 20 | ~1920 |
| James Mullen | Son | — | 27 | ~1913 |
| Charles Mullen | Head | — | 50 | ~1890 |
| Margaret Mullen | Daughter | — | 22 | ~1918 |
| Delia Mullen | Spouse | — | 75 | ~1865 |
| John Mullen | Son | — | 23 | ~1917 |
Census Appearances
1930
Somerset, New …
Son, age 17
Somerset, New Jersey · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Apprentice |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Somerset-County, New …
Son, age 27
Somerset-County, New Jersey · implied b. ~1913 — 7 household members
| Surname | Mullen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Finderne |
| 1935 Residence (County) | Somerset |
| Occupation | Instrument maker |
| Industry | Chemical Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1276 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 27 · b. ~1913 · New Jersey
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Sibling
Francis Mullen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mullen
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mullen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mullen
Sibling · 1940 · age 23
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 — Somerset-County, New Jersey
Open full size
1940 US Federal Census — Somerset-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02382-00539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Heyman | 35 | Wife | — | New Jersey |
| 2 | Henry Heyman | 0 | Son | — | New Jersey |
| 3 | Fred Heyman | 39 | Brother | Farmer | New Jersey |
| 4 | Catherine Henning | 70 | Head | — | New York |
| 5 | Elnora Reffell | 40 | Lodger | Ambulance Maid | New Jersey |
| 6 | Carlisle Shafer | 31 | Head | Chemical Operator | New Brunswick |
| 7 | Kathryn Shafer | 31 | Wife | Chemical Operator | Pennsylvania |
| 8 | Kenneth Shafer | 1 | Son | — | New Jersey |
| 9 | John Mollenhauer | 37 | Head | Bus Driver | Germany |
| 10 | Louise Mollenhauer | 23 | Wife | — | New York |
| 11 | Mary Ann Mollenhauer | 5 | Daughter | — | New Jersey |
| 12 | Robert Mollenhauer | 2 | Son | — | New Jersey |
| 13 | Harry Bernhard | 74 | Head | Retired Foreman | New Jersey |
| 14 | Mary A Bernhard | 75 | Wife | — | New Jersey |
| 15 | Margaret Bernhard | 35 | Daughter | Secretary | New Jersey |
| 16 | Florence Bernhard | 33 | Daughter | Clerk | New Jersey |
| 17 | Harry Bernhard | 32 | Son | — | New Jersey |
| 18 | John Bernhard | 30 | Son | — | New Jersey |
| 19 | Charles Mullen | 50 | Head | Foreman | Pennsylvania |
| 20 | Delia Mullen | 75 | Wife | — | New Jersey |
| 21 | James Mullen THIS PERSON | 27 | Son | Instrument Maker | New Jersey |
| 22 | John Mullen | 23 | Son | Millwright | New Jersey |
| 23 | Margaret Mullen | 22 | Daughter | — | Pennsylvania |
| 24 | Francis Mullen | 20 | Son | Laboratory Assistant | New Jersey |
| 25 | William Mullen | 16 | Son | — | New Jersey |
| 26 | Riccardo Savis | 54 | Head | Dye Operator | Italy |
| 27 | Catherine Savis | 54 | Wife | — | Italy |
| 28 | Eugene Savis | 24 | Son | Electrician | New York |
| 29 | Mario Savis | 22 | Son | Laboratory Assistant | New York |
| 30 | Cosimo Vasta | 38 | Head | Dye Operator | Italy |
| 31 | Pauline Vasta | 24 | Wife | — | Italy |
| 32 | Gloria Vasta | 7 | Daughter | — | New Jersey |
| 33 | Lawrence Vasta | 4 | Son | — | New Jersey |
| 34 | Albert Paulina | 39 | Head | Gardner | Italy |
| 35 | Carmela Paulina | 26 | Wife | — | Pennsylvania |
| 36 | Louis Zulian | 37 | Head | Chemical Operator | Italy |
| 37 | Olga Zulian | 37 | Wife | — | Italy |
| 38 | Florence Zulian | 16 | Daughter | — | New Jersey |
| 39 | Connie Zulian | 14 | Son | — | New Jersey |
| 40 | Elsie Zulian | 9 | Daughter | — | New Jersey |
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)