MK
Mary Kearney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this Mary Kearney across the 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 15-person household.
Age 20
b. ~1920
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Kearney |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Hackensack |
| Additional Details | |
| Occupation | Domestic |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 150 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Domestic |
| Township / Ward | Hackensack |
| Est. Birth Year | ~1920 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Kearney | Son | — | 16 | ~1924 |
| Emilie Kearney | Head | — | 41 | ~1899 |
| Mary Kearney | Daughter | — | 20 | ~1920 |
| William Alexander | Other | — | 2 | ~1938 |
| Roland Alexander | Other | — | 1 | ~1939 |
| Lula Kearney | Daughter | — | 18 | ~1922 |
| Sam Alexander | Other | — | 24 | ~1916 |
| Rose Kearney | Daughter | — | 12 | ~1928 |
| Georgette Kearney | Daughter | — | 5 | ~1935 |
| Alexander Alexander | Other | — | 3 | ~1937 |
| Trudy Kearney | Daughter | — | 14 | ~1926 |
| Daisy Alexander | Daughter | — | 22 | ~1918 |
| Anna Kearney | Daughter | — | 8 | ~1932 |
| Lindy Kearney | Son | — | 10 | ~1930 |
| Dolores Kearney | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Bergen, New …
Daughter, age 10
Bergen, New Jersey · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kearney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Bergen-County, New …
Daughter, age 20
Bergen-County, New Jersey · implied b. ~1920 — 15 household members
| Surname | Kearney |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Hackensack |
| Occupation | Domestic |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 150 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Kearney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kearney
Daughter · 1940 · age 20 · b. ~1920 · New Jersey
★ You are viewing this record
Sibling
William Kearney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Alexander
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Kearney
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Kearney
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Kearney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgette Kearney
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Kearney
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Trudy Kearney
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lindy Kearney
Sibling · 1940 · age 10
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-t0627-02309-00377)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Littlejohn | 2 | Daughter | — | New Jersey |
| 42 | Dolores M Littlejohn | 2 | Daughter | — | New Jersey |
| 43 | Nathan Caswell | 29 | Head | Car Washer | North Carolina |
| 44 | Annie Caswell | 25 | Wife | — | North Carolina |
| 45 | Nathan Jr Caswell | 5 | Son | — | New Jersey |
| 46 | John R Caswell | 3 | Son | — | New Jersey |
| 47 | Elizabeth Caswell | 2 | Daughter | — | New Jersey |
| 48 | Lola Mae Caswell | 0 | Daughter | — | New Jersey |
| 49 | Carey G Mccall | 46 | Head | Postal Clerk | South Carolina |
| 50 | Florence Mccall | 34 | Wife | — | Indiana |
| 51 | Gertrude Mccall | 15 | Daughter | — | New Jersey |
| 52 | Doris Mccall | 13 | Daughter | — | New Jersey |
| 53 | Laura G Mccall | 12 | Daughter | — | New Jersey |
| 54 | Carey G Jr Mccall | 11 | Son | — | New Jersey |
| 55 | Florence Mccall | 9 | Daughter | — | New Jersey |
| 56 | Eugene Mccall | 7 | Son | — | New Jersey |
| 57 | Juanita Mccall | 5 | Daughter | — | New Jersey |
| 58 | Sam Davis | 38 | Head | Stock Tender | North Carolina |
| 59 | Norah Davis | 30 | Wife | Domestic | South Carolina |
| 60 | Emilie Kearney | 41 | Head | — | North Carolina |
| 61 | Mary Jane Kearney THIS PERSON | 20 | Daughter | Domestic | North Carolina |
| 62 | Lula Kearney | 18 | Daughter | Domestic | North Carolina |
| 63 | William Kearney | 16 | Son | Laborer | North Carolina |
| 64 | Trudy Kearney | 14 | Daughter | — | North Carolina |
| 65 | Rose Kearney | 12 | Daughter | — | North Carolina |
| 66 | Lindy Kearney | 10 | Son | — | New Jersey |
| 67 | Anna Kearney | 8 | Daughter | — | New Jersey |
| 68 | Dolores Kearney | 6 | Daughter | — | New Jersey |
| 69 | Georgette Kearney | 5 | Daughter | — | New Jersey |
| 70 | Sam Alexander | 24 | Son-in-law | Beader | North Carolina |
| 71 | Daisy Alexander | 22 | Daughter | — | Virginia |
| 72 | Alexander Jr Alexander | 3 | Grandson | — | New Jersey |
| 73 | William Alexander | 2 | Grandson | — | New Jersey |
| 74 | Roland Alexander | 1 | Grandson | — | New Jersey |
| 75 | William Robman | 35 | Head | Roller | New Jersey |
| 76 | Susie Robman | 32 | Wife | — | North Carolina |
| 77 | William Jr. Robman | 14 | Son | — | New Jersey |
| 78 | George Robman | 13 | Son | — | New Jersey |
| 79 | Louise Robman | 11 | Daughter | — | New Jersey |
| 80 | Susie Robman | 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)