MR
Mary Rich — 1940 US Census Record
Model Tree available1940 United States Federal Census · Burlington-County, New Jersey
Our Model Tree links this Mary Rich across the 1920, 1930 and 1940 US Censuses in Burlington-County, New Jersey (XGBoost, ~Confirmed), with identified parents Constance & Joseph — first a daughter (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Burlington-County, New Jersey |
| Surname | Rich |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | BURLINGTON |
| 1935 Residence (County) | BURLINGTON |
| Additional Details | |
| Occupation | Dress Maker |
| Industry | Dress Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Dressmaker |
| Township / Ward | Burlington |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mullun Rich | Son | — | 27 | ~1913 |
| Constance Rich | Daughter | — | 21 | ~1919 |
| Constance Rich | Head | — | 53 | ~1887 |
| Mary Rich | Daughter | — | 20 | ~1920 |
Census Appearances
1920
Burlington, New …
Daughter, age
Burlington, New Jersey · implied b. ~1920
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Rich |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Mother Tongue | Lithuanian |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Burlington, New …
Daughter, age 10
Burlington, New Jersey · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rich |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Burlington-County, New …
Daughter, age 20
Burlington-County, New Jersey · implied b. ~1920 — 4 household members
| Surname | Rich |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | BURLINGTON |
| 1935 Residence (County) | BURLINGTON |
| Occupation | Dress Maker |
| Industry | Dress Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | H-4 |
| 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 Rich across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Constance Rich (~0.92 confidence) and father Joseph Rich (~0.92 confidence) and mother Rosalance Rich (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Constance Rich
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Joseph Rich
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Rosalance Rich
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Rich
Daughter · 1940 · age 20 · b. ~1920 · New Jersey
★ You are viewing this record
Sibling
Constance Rich
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mullun Rich
Sibling · 1940 · age 27
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 — Burlington-County, New Jersey
Open full size
1940 US Federal Census — Burlington-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02317-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marie Jones | 22 | Wife | — | New Jersey |
| 42 | George Mouk | 37 | Head | Engineer | New Jersey |
| 43 | Marie Mouk | 42 | Wife | — | New Jersey |
| 44 | Vera Mouk | 15 | Daughter | — | New Jersey |
| 45 | Marie Mouk | 13 | Daughter | — | New Jersey |
| 46 | Michael Mrakovcic | 55 | Head | Laborer | Poland |
| 47 | Stella Mrakovcic | 45 | Wife | — | Poland |
| 48 | Stanley Mrakovcic | 25 | Son | Weaver | New Jersey |
| 49 | Francis Mrakovcic | 23 | Daughter | Salesgirl | New Jersey |
| 50 | Howard Dudiconty | 57 | Head | Engineer | Pennsylvania |
| 51 | Margaret Dudiconty | 44 | Wife | — | New Jersey |
| 52 | Donny Dudiconty | 24 | Son | Fireman | New Jersey |
| 53 | Marie Dudiconty | 22 | Daughter | Operator | New Jersey |
| 54 | Charles Dudiconty | 19 | Son | Operator | New Jersey |
| 55 | Betty Dudiconty | 16 | Daughter | — | New Jersey |
| 56 | Doris Dudiconty | 13 | Daughter | — | New Jersey |
| 57 | Jean Dudiconty | 11 | Daughter | — | New Jersey |
| 58 | Barbara Dudiconty | 9 | Daughter | — | New Jersey |
| 59 | John Dudiconty | 7 | Son | — | New Jersey |
| 60 | Burgin Dudiconty | 4 | Son | — | New Jersey |
| 61 | Norman Delano | 29 | Head | Service Station | New Jersey |
| 62 | Mary Delano | 30 | Wife | — | New Jersey |
| 63 | Joseph Kulling | 30 | Head | Truck Driver | New Jersey |
| 64 | Hilda Kulling | 25 | Wife | — | New Jersey |
| 65 | Constance Rich | 53 | Head | Dress Maker | Lithuania |
| 66 | Constance Rich | 21 | Daughter | Operator | New Jersey |
| 67 | Mary Rich THIS PERSON | 20 | Daughter | Dress Maker | New Jersey |
| 68 | Mullun Rich | 27 | Son | Weaver | New Jersey |
| 69 | Frank Coppola | 38 | Head | Shoe Maker | Italy |
| 70 | Angelina Coppola | 33 | Wife | — | Italy |
| 71 | Angelo Coppola | 7 | Son | — | New Jersey |
| 72 | Millie Coppola | 4 | Daughter | — | New Jersey |
| 73 | Nicolas Cerberia | 44 | Head | Molder | Italy |
| 74 | Carmela Cerberia | 36 | Wife | Weaver | Italy |
| 75 | Frank Cerberia | 13 | Son | Machine Operator | New Jersey |
| 76 | Columbus Cerberia | 17 | Son | — | New Jersey |
| 77 | Salina Cerberia | 16 | Girl | — | New Jersey |
| 78 | Anthony Paboldy | 22 | Head | Pressman | New Jersey |
| 79 | Margaret Paboldy | 22 | Wife | — | New Jersey |
| 80 | Chester Paboldy | 0 | Son | — | New Jersey |
Pedigree Summary
Mary + 2 siblings
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)