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Mary Hancock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Burlington-County, New Jersey
Our Model Tree links this Mary Hancock across the 1920, 1930 and 1940 US Censuses in Burlington-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Burlington-County, New Jersey |
| Surname | Hancock |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Westhamton Twp |
| 1935 Residence (County) | Burlington |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Westhamton Twp |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| H Hancock | Son | — | 19 | ~1921 |
| Walter Hancock | Son | — | 17 | ~1923 |
| Mary Hancock | Spouse | — | 55 | ~1885 |
| Rachel Borden | Daughter | — | 27 | ~1913 |
| Harry Hancock | Head | — | 58 | ~1882 |
Census Appearances
1920
Burlington, New …
Spouse, age 34
Burlington, New Jersey · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Burlington, New …
Spouse, age 42
Burlington, New Jersey · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 21 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Burlington-County, New …
Spouse, age 55
Burlington-County, New Jersey · implied b. ~1885 — 5 household members
| Surname | Hancock |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Westhamton Twp |
| 1935 Residence (County) | Burlington |
| Income (1939) | 0 |
| Highest Grade | No 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 Hancock across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hancock
Spouse · 1940 · age 55 · b. ~1885 · 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 — 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-t0627-02319-00959)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernestine Marini | 56 | Wife | — | Italy |
| 42 | Patrick Hogan | 69 | Head | Farmer | New Jersey |
| 43 | Mary A. Hogan | 69 | Wife | — | Ireland |
| 44 | Clara Hogan | 40 | Daughter | Teacher | New Jersey |
| 45 | Cornelius Hogan | 38 | Son | Dentist | New Jersey |
| 46 | Edward Lewis | 30 | Head | Laborer | New Jersey |
| 47 | Alice Lewis | 29 | Wife | — | New Jersey |
| 48 | Edward Jr. Lewis | 11 | Son | — | New Jersey |
| 49 | Florence Lewis | 4 | Daughter | — | New Jersey |
| 50 | Laura Lewis | 1 | Daughter | — | New Jersey |
| 51 | Leonard Lewis | 0 | Son | — | New Jersey |
| 52 | Harry C. Hancock | 58 | Head | Farmer | New Jersey |
| 53 | Mary J. Hancock THIS PERSON | 55 | Wife | — | New Jersey |
| 54 | H. Edward Hancock | 19 | Son | — | New Jersey |
| 55 | Walter W. Hancock | 17 | Son | — | New Jersey |
| 56 | Rachel M. Borden | 27 | Daughter | — | New Jersey |
| 57 | Fred Newman | 60 | Head | Laborer | Maryland |
| 58 | Albert Newman | 58 | Brother | Laborer | Maryland |
| 59 | Caroline M. James | 41 | Head | Clerk | New Jersey |
| 60 | Delia James | 72 | Mother | — | Ireland |
| 61 | Eugene F. Houser | 49 | Boarder | Architect | Pennsylvania |
| 62 | Eva H. F. Crammer | 68 | Head | — | New Jersey |
| 63 | Anna L. Crammer | 45 | Daughter | Stenographer | New Jersey |
| 64 | John C. Adams | 52 | Head | Proprietor | Pennsylvania |
| 65 | Sophie Adams | 50 | Wife | — | Pennsylvania |
| 66 | John C. Jr. Adams | 7 | Son | — | New Jersey |
| 67 | Dora Willitts | 77 | Sister-in-law | — | Germany |
| 68 | J. Everett Hancock | 31 | Head | Farmer | New Jersey |
| 69 | Myrtle E. Hancock | 33 | Wife | — | New Jersey |
| 70 | Melvin Richards | 58 | Boarder | Laborer | Pennsylvania |
| 71 | William B. Macfarland | 71 | Head | Farmer | Pennsylvania |
| 72 | Elizabeth E. Macfarland | 67 | Wife | — | New Jersey |
| 73 | Beverly Doughty | 65 | Head | Laborer | Virginia |
| 74 | Millie Doughty | 65 | Wife | — | Virginia |
| 75 | Ollie Galt | 44 | Head | Laborer | Delaware |
| 76 | Elva Galt | 48 | Wife | — | Delaware |
| 77 | Elva Galt | 13 | Daughter | — | Delaware |
| 78 | Betty Galt | 6 | Daughter | — | Delaware |
| 79 | George Bedwell | 75 | Father-in-law | — | Delaware |
| 80 | Henry Devito | 65 | Head | — | 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)