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John Mann — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this John Mann across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents Frank & Raffaela — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Mann |
| Given Name | John A |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | floor clerk |
| Industry | Stockhouse |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | N. J. |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Floor Clerk |
| Township / Ward | Paramus Borough |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Viola Mann | Spouse | — | 29 | ~1911 |
| John Mann | Head | — | 38 | ~1902 |
| John Mann | Son | — | 2 | ~1938 |
Census Appearances
1920
Essex, New …
Son, age 17
Essex, New Jersey · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Manna |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | Laborer |
| Industry | Industry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Bergen, New …
Son, age 27
Bergen, New Jersey · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Manna |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Head, age 38
Bergen-County, New Jersey · implied b. ~1902 — 3 household members
| Surname | Mann |
| Given Name | John A |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | floor clerk |
| Industry | Stockhouse |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | N. J. |
| 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 John Mann across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Frank Manna (~0.92 confidence) and mother Raffaela Manna (~0.92 confidence) and father Louis Manna (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Manna
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Raffaela Manna
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Louis Manna
b. ~1882
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Mann
Head · 1940 · age 38 · b. ~1902 · 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 — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02312-00699)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucetia March | 36 | wife | — | Penn |
| 42 | John A Mann THIS PERSON | 38 | head | Floor Clerk | New Jersey |
| 43 | Viola Mann | 29 | wife | — | New Jersey |
| 44 | John Jr. Mann | 2 | son | — | New Jersey |
| 45 | Philip G. Congreve | 34 | head | Painter | New York |
| 46 | Catherine Congreve | 32 | wife | — | New York |
| 47 | Philip Jr. Congreve | 4 | son | — | New York |
| 48 | Lawrence Congreve | 3 | son | — | New York |
| 49 | Marian Congreve | 0 | daughter | — | New York |
| 50 | Harold E True | 27 | head | Bank Clerk | New York |
| 51 | Marion True | 28 | wife | — | New Jersey |
| 52 | Virginia True | 0 | daughter | — | New Jersey |
| 53 | Arthur Davis | 30 | head | Office Clerk | Penn |
| 54 | Jeanard Davis | 26 | wife | — | New Jersey |
| 55 | Joyce Davis | 5 | daughter | — | New Jersey |
| 56 | Catherine Quicken | 65 | mother in law | — | Holland |
| 57 | John Greiweldinger | 26 | head | Fireman | New Jersey |
| 58 | Adelaide Greiweldinger | 26 | wife | Sticker | New York |
| 59 | Fred A. Pickel | 31 | head | Machine Maker | New Jersey |
| 60 | Norma Pickel | 26 | wife | — | New York |
| 61 | Fred Jr Pickel | 9 | son | — | New York |
| 62 | Evelyn Pickel | 4 | daughter | — | New Jersey |
| 63 | John Van Gieson | 28 | head | Glass Blower | New Jersey |
| 64 | Mary Van Gieson | 24 | wife | — | Penn |
| 65 | Barbara Van Gieson | 1 | daughter | — | New Jersey |
| 66 | Morris Jaeger | 26 | head | Bookkeeper | New Jersey |
| 67 | Adeline Jaeger | 25 | wife | — | New Jersey |
| 68 | Doreen Jaeger | 3 | daughter | — | New Jersey |
| 69 | Howard J. Noble | 33 | head | Laborer | New York |
| 70 | Anna Noble | 27 | wife | Packer | Penn |
| 71 | Leslie Baldwin | 45 | head | Sub Station Clerk | New Jersey |
| 72 | Leola Baldwin | 42 | wife | — | New Jersey |
| 73 | — | 58 | head | Designer | Russia |
| 74 | Sonya | 15 | daughter | — | New Jersey |
| 75 | Lenore | 37 | wife | — | Russia |
| 76 | Chas P. Smith | 27 | head | Engineer | New York |
| 77 | Margaret M Smith | 26 | wife | — | New York |
| 78 | Chas P. Jr Smith | 2 | son | — | New York |
| 79 | Walter Joyce | 25 | Brother in law | Postal Clerk | New York |
| 80 | Extra Line | None | — | — | — |
Pedigree Summary
John
Gen 1 · 3 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)