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Mary Mann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Mary Mann across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Mann |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Passaic City |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sally Mann | Daughter | — | 9 | ~1931 |
| Mary Mann | Daughter | — | 11 | ~1929 |
| Phoebe Mann | Daughter | — | 7 | ~1933 |
| Peter Mann | Head | — | 37 | ~1903 |
| Laura Mann | Spouse | — | 33 | ~1907 |
| Betty Mann | Daughter | — | 10 | ~1930 |
| Mary Mann | Daughter | — | 13 | ~1927 |
| Margaret Mann | Daughter | — | 15 | ~1925 |
| Audrey Mann | Daughter | — | 12 | ~1928 |
| Mildred Mann | Daughter | — | 8 | ~1932 |
| Peter Mann | Son | — | 14 | ~1926 |
Census Appearances
1930
Passaic, New …
Daughter, age 2
Passaic, New Jersey · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 13
Passaic-County, New Jersey · implied b. ~1927 — 11 household members
| Surname | Mann |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Highest Grade | 3 |
| 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 Mary Mann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mann
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Audrey Mann
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Mann
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sally Mann
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mann
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phoebe Mann
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mann
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mann
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary 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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02378-00865)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Adoci | 5 | Daughter | — | New Jersey |
| 42 | Frank Adoci | 3 | Son | — | New Jersey |
| 43 | Salvatore Adoci | 66 | Father | — | Italy |
| 44 | Peter Mann | 37 | Head | Labour | New Jersey |
| 45 | Laura Mann | 33 | Wife | — | New Jersey |
| 46 | Margaret Mann | 15 | Daughter | — | New Jersey |
| 47 | Peter Mann | 14 | Son | — | New Jersey |
| 48 | Mary Mann THIS PERSON | 13 | Daughter | — | New Jersey |
| 49 | Audrey Mann | 12 | Daughter | — | New Jersey |
| 50 | Mary Mann | 11 | Daughter | — | New Jersey |
| 51 | Betty Ann Mann | 10 | Daughter | — | New Jersey |
| 52 | Sally Mann | 9 | Daughter | — | New Jersey |
| 53 | Mildred Mann | 8 | Daughter | — | New Jersey |
| 54 | Phoebe Mann | 7 | Daughter | — | New Jersey |
| 55 | Charles Harris | 26 | Head | Labour | Florida |
| 56 | Hazel Harris | 19 | Wife | — | Maryland |
| 57 | Annette Harris | 2 | Daughter | — | New Jersey |
| 58 | Thomas Mann | 46 | Head | Labour | New Jersey |
| 59 | Rhodella Mann | 40 | Wife | — | New York |
| 60 | Thomas Mann | 19 | Son | New Worker | New Jersey |
| 61 | Sarah Mann | 17 | Daughter | Servant | New Jersey |
| 62 | Edith Mann | 16 | Daughter | New Worker | New Jersey |
| 63 | Charles Mann | 14 | Son | — | New Jersey |
| 64 | Joseph Mann | 12 | Son | — | New Jersey |
| 65 | Mabel Mann | 11 | Daughter | — | New Jersey |
| 66 | Walter Mann | 9 | Son | — | New Jersey |
| 67 | Frances Mann | 8 | Daughter | — | New Jersey |
| 68 | Mary Mann | 5 | Daughter | — | New Jersey |
| 69 | Barbara Mann | 1 | Daughter | — | New Jersey |
| 70 | Warren Moment | 50 | Head | Labour | Georgia |
| 71 | Elsie Moment | 47 | Wife | — | Georgia |
| 72 | Elsie Taylor | 7 | Niece | — | New Jersey |
| 73 | Helen Taylor | 5 | Niece | — | New Jersey |
| 74 | James Taylor | 36 | Brother | Labour | New York |
| 75 | Delia May Taylor | 27 | Sister | Servant | Georgia |
| 76 | William Bowman | 24 | Nephew | Labour | Georgia |
| 77 | Henry Smith | 19 | Nephew | Labour | Georgia |
| 78 | William Tremble | 30 | Head | Stock Clerk | Georgia |
| 79 | Lula Tremble | 21 | Sister | Seamstress | Georgia |
| 80 | Fred Tremble | 20 | Brother | Labour | Georgia |
Related Census Records
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)