MS
Mary Stevenson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Mary Stevenson across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton Township |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Sales Maker |
| Industry | School |
| Class of Worker | PW |
| Income (1939) | 252 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Sales Maker |
| Township / Ward | Hamilton Township |
| Est. Birth Year | ~1887 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Stevenson | Spouse | — | 53 | ~1887 |
| Lawrence Stevenson | Head | — | 65 | ~1875 |
| Joseph Stevenson | Son | — | 23 | ~1917 |
Census Appearances
1920
Mercer, New …
Spouse, age 33
Mercer, New Jersey · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stephenson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Spouse, age 43
Mercer, New Jersey · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stephenson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 29 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ireland |
| Occupation | Packer |
| Industry | Pottery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Spouse, age 53
Mercer-County, New Jersey · implied b. ~1887 — 3 household members
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hamilton Township |
| 1935 Residence (County) | Mercer |
| Occupation | Sales Maker |
| Industry | School |
| Class of Worker | PW |
| Income (1939) | 252 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 Stevenson 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 Stevenson
Spouse · 1940 · age 53 · b. ~1887 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02437-00233)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Jr. Mengin | 50 | Head | Accountant | New Jersey |
| 2 | Laura R. Mengin | 45 | Wife | — | Virginia |
| 3 | Margaret Mengin | 19 | Daughter | Secretary | Virginia |
| 4 | Elizabeth Mengin | 18 | Daughter | Stenographer | New Jersey |
| 5 | Jean M. Mengin | 11 | Daughter | — | New Jersey |
| 6 | Emma S. Wilson | 75 | Mother-in-law | — | Virginia |
| 7 | Lawrence Stevenson | 65 | Head | — | England |
| 8 | Mary Stevenson THIS PERSON | 53 | Wife | Sales Maker | New Jersey |
| 9 | Joseph E. Stevenson | 23 | Son | Time Keeper | New Jersey |
| 10 | Robert D. Todd | 25 | Head | Clerk | New Jersey |
| 11 | Ruth M. Todd | 25 | Wife | — | New Jersey |
| 12 | Robert M. Todd | 1 | Son | — | New Jersey |
| 13 | Vernon Weekes | 22 | Head | Weaver | New Jersey |
| 14 | Catherine Weekes | 22 | Wife | — | New Jersey |
| 15 | Vera M. Weekes | 1 | Daughter | — | New Jersey |
| 16 | Richard Fitzgerald | 25 | Head | S | Pennsylvania |
| 17 | Mary J. Fitzgerald | 25 | Wife | — | Pennsylvania |
| 18 | Abram H. Southead | 26 | Head | — | New Jersey |
| 19 | Sonia M. Southead | 42 | Daughter | Clerk | New Jersey |
| 20 | Margaret K. Southead | 34 | Daughter | Cashier | New Jersey |
| 21 | Samuel James Southead | 32 | Son | Handy Man | New Jersey |
| 22 | Elwood C. Turner | 40 | Head | Press Man | New Jersey |
| 23 | Jennie F. Turner | 36 | Wife | — | New Jersey |
| 24 | Elwood J. Turner | 19 | Son | Laborer | New Jersey |
| 25 | Melvin P. Turner | 17 | Son | — | New Jersey |
| 26 | Muriel G. Turner | 16 | Daughter | — | New Jersey |
| 27 | Dorothea M. Turner | 14 | Daughter | — | New Jersey |
| 28 | June M. Turner | 12 | Daughter | — | New Jersey |
| 29 | Earl F. Turner | 10 | Son | — | New Jersey |
| 30 | Richard C. Turner | 4 | Son | — | New Jersey |
| 31 | Allen L. Turner | 1 | Son | — | New Jersey |
| 32 | Frank G. Edwards | 58 | Father-in-law | — | New Jersey |
| 33 | Elizabeth Koenig | 60 | Head | — | New Jersey |
| 34 | Thomas G. Mcrorie | 38 | Son-in-law | Machinist | New Jersey |
| 35 | Elizabeth K. Mcrorie | 38 | Daughter | Bookkeeper | New Jersey |
| 36 | Donald Mathers | 28 | Boarder | — | New York |
| 37 | William P. Cavanaugh | 26 | Boarder | — | Maryland |
| 38 | Clement Williams | 50 | Head | Operator | England |
| 39 | Fernande Williams | 47 | Wife | — | France |
| 40 | Rene C. Williams | 15 | Son | — | New Jersey |
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)