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James Mcnamara — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this James Mcnamara across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | McNamara |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Bloomfield |
| Est. Birth Year | ~1915 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Mcnamara | Head | — | 25 | ~1915 |
| Dorothy Mcnamara | Spouse | — | 21 | ~1919 |
| James Mcnamara | Son | — | 2 | ~1938 |
Census Appearances
1920
Passaic, New …
Son, age 4
Passaic, New Jersey · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | England |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Son, age 15
Passaic, New Jersey · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Head, age 25
Essex-County, New Jersey · implied b. ~1915 — 3 household members
| Surname | McNamara |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Essex |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| 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 Mcnamara across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mcnamara (~0.92 confidence) and father James Mcnamara (~0.92 confidence) and mother Florence Mcnamara (~0.92 confidence) and mother Harriet Mcnamara (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mcnamara
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Mcnamara
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Florence Mcnamara
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Harriet Mcnamara
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mcnamara
Head · 1940 · age 25 · b. ~1915 · New Jersey
★ 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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02330-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Merrian Lawler | 6 | Daughter | — | New Jersey |
| 42 | Anthony Lester | 43 | Head | Maintenance | New Jersey |
| 43 | Alvina Lester | 43 | Wife | — | New York |
| 44 | Arthur Horn | 22 | Head | Machinist | New Jersey |
| 45 | Helen Horn | 22 | Wife | — | New Jersey |
| 46 | Ronald Horn | 0 | Son | — | New Jersey |
| 47 | James W. Mcnamara THIS PERSON | 25 | Head | Clerk | New Jersey |
| 48 | Dorothy Mcnamara | 21 | Wife | — | New Jersey |
| 49 | James Mcnamara | 2 | Son | — | New Jersey |
| 51 | Charles H. Wilson | 51 | Head | Stationary Fireman | New Jersey |
| 52 | Anna Wilson | 46 | Wife | — | Germany |
| 53 | Ruth Wilson | 18 | Daughter | Tester | New Jersey |
| 54 | Evelyn Wilson | 16 | Daughter | — | New Jersey |
| 55 | Walter Wilson | 14 | Son | — | New Jersey |
| 56 | Beatrice Wilson | 12 | Daughter | — | New Jersey |
| 57 | Floyd Wilson | 9 | Son | — | New Jersey |
| 58 | Arthur C. Gilson | 69 | Head | Real Estate | New Jersey |
| 59 | Mary T. Gilson | 69 | Wife | — | New Jersey |
| 60 | Ronald Bergeron | 30 | Head | Wire Drawing | Mass. |
| 61 | Agnes Bergeron | 27 | Wife | — | New Jersey |
| 62 | Ronald Bergeron | 1 | Son | — | New Jersey |
| 63 | Arthur Willett | 57 | Head | Laborer | Mass. |
| 64 | Tillie Willett | 57 | Wife | — | Canada |
| 65 | Almeda Willett | 32 | Daughter | Tester | Mass. |
| 66 | Jeanne Willett | 7 | Daughter | — | New Jersey |
| 67 | Eric Swenson | 36 | Head | Machinist | Sweden |
| 68 | Ellen Swenson | 32 | Wife | — | Sweden |
| 69 | Marion Swenson | 8 | Daughter | — | New Jersey |
| 70 | Betty Sue Swenson | 7 | Daughter | — | New Jersey |
| 71 | Charles Beach | 60 | Head | Claim Agent | New Jersey |
| 72 | Robert Beach | 17 | Son | — | New York |
| 73 | Margaret Beach | 13 | Daughter | — | New York |
| 74 | George Ohlson | 47 | Head | Stationary Engineer | Sweden |
| 75 | Dagmar Ohlson | 53 | Wife | — | Denmark |
| 76 | Dagmar Ohlson | 14 | Daughter | — | New York |
| 77 | George Carlin | 38 | Head | Inspector | New Jersey |
| 78 | Francis Carlin | 31 | Wife | — | New Jersey |
| 79 | George Jr. Carlin | 8 | Son | — | New Jersey |
| 80 | John H. Russell | 52 | Head | Salesman | Connecticut |
Pedigree Summary
James
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)