WM
William Mann — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this William Mann across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents George & Rosalie — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Mann |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Park Ridge borough |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 203 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Laborer |
| Township / Ward | Park Ridge Borough |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mann | Son | — | 21 | ~1919 |
| Rose Mann | Head | — | 54 | ~1886 |
| Carleen Mann | Daughter | — | 11 | ~1929 |
| Robert Mann | Son | — | 40 | ~1900 |
Census Appearances
1920
Bergen, New …
Son, age 1
Bergen, New Jersey · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | William D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Bergen, New …
Son, age 11
Bergen, New Jersey · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Son, age 21
Bergen-County, New Jersey · implied b. ~1919 — 4 household members
| Surname | Mann |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Park Ridge borough |
| 1935 Residence (County) | Bergen |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 203 |
| 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 William Mann across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Mann (~0.92 confidence) and mother Rosalie Mann (~0.92 confidence) and mother Rose Mann (~0.92 confidence) and mother Rose Mann (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Mann
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Rosalie Mann
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Rose Mann
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Rose Mann
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mann
Son · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Robert Mann
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carleen Mann
Sibling · 1940 · age 11
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 — 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-t0627-02312-00856)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Mann | 54 | Head | Housework | New York |
| 2 | Robert Mann | 40 | Son | Laborer | New York |
| 3 | William Mann THIS PERSON | 21 | Son | Laborer | New Jersey |
| 4 | Carleen Mann | 11 | Daughter | — | New Jersey |
| 5 | John Schoenecker | 62 | Head | Retired | Germany |
| 6 | Anna Schoenecker | 58 | Wife | Housework | Germany |
| 7 | Evelyn Treggio | 52 | Head | Maid | New York |
| 8 | Edward Treggio | 40 | Brother | Clerical | New York |
| 9 | George Thomas | 70 | Head | Retired | Germany |
| 10 | Margaret Thomas | 73 | Sister | Housework | Germany |
| 11 | Reginald Shader | 44 | Head | Cutter | New York |
| 12 | Amelia Shader | 34 | Wife | Packer | Florida |
| 13 | Virginia Shader | 13 | Daughter | — | New Jersey |
| 14 | Charles Retzmann | 48 | Head | Operator | New York |
| 15 | Minnie Retzmann | 47 | Wife | Housework | New York |
| 16 | Jacob Retzmann | 20 | Son | Operator | New Jersey |
| 17 | Thomas Fortune | 67 | Head | Sexton | New York |
| 18 | Daniel Sears | 27 | Nephew | Gardener | New Jersey |
| 19 | Harriett Sears | 22 | Niece | Housework | New York |
| 20 | Harriett Sears | 2 | Great niece | — | New Jersey |
| 21 | Everett Dayers | 36 | Head | Laborer | New Jersey |
| 22 | Amy Dayers | 36 | Wife | Operator | New York |
| 23 | Robert Dayers | 14 | Son | — | New York |
| 24 | Everett Jr. Dayers | 13 | Son | — | New York |
| 25 | William Dayers | 10 | Son | — | New Jersey |
| 26 | William Thompson | 33 | Head | Handy-Man | New York |
| 27 | May Thompson | 23 | Wife | — | New Jersey |
| 28 | Claudette Thompson | 4 | Daughter | — | New Jersey |
| 29 | William Thompson | 3 | Son | — | New Jersey |
| 30 | Charles Thompson | 2 | Son | — | New Jersey |
| 31 | Elsworth Thompson | 0 | Son | — | New Jersey |
| 32 | Leroy Jackson | 39 | Head | Laborer | New Jersey |
| 33 | Florence Jackson | 42 | Wife | Housework | New Jersey |
| 34 | Marion Jackson | 12 | Daughter | — | New Jersey |
| 35 | Leroy Jr. Jackson | 11 | Son | — | New Jersey |
| 36 | Margie Jackson | 7 | Daughter | — | New Jersey |
| 37 | Roger Jackson | 4 | Son | — | New Jersey |
| 38 | Henry Delker | 46 | Head | Line-Man | New York |
| 39 | Anna Delker | 39 | Wife | Housework | Germany |
| 40 | Kenneth Delker | 11 | Son | — | New Jersey |
Pedigree Summary
William + 2 siblings
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)