BJ
Betty Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Betty Johnson across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Johnson |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hightstown Boro |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Hightstown Boro |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnson | Daughter | — | 7 | ~1933 |
| Eleanor Johnson | Daughter | — | 11 | ~1929 |
| Florence Johnson | Daughter | — | 19 | ~1921 |
| Betty Johnson | Daughter | — | 13 | ~1927 |
| Charlotte Johnson | Daughter | — | 10 | ~1930 |
| Drake Johnson | Head | — | 50 | ~1890 |
| Jerry Stank | Other | — | 5 | ~1935 |
| Simeon Johnson | Son | — | 17 | ~1923 |
| James Johnson | Son | — | 15 | ~1925 |
| Lottie Johnson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Mercer, New …
Daughter, age 2
Mercer, New Jersey · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Betty E |
| 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 |
| Can Read/Write | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Daughter, age 13
Mercer-County, New Jersey · implied b. ~1927 — 10 household members
| Surname | Johnson |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hightstown Boro |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 6 |
| 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 Betty Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Johnson
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
James Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Simeon Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Johnson
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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-02357-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Aaron Minor | 42 | Roomer | Herdsman | Virginia |
| 42 | Joseph A. Mcgovern | 52 | Head | Proprietor | Pennsylvania |
| 43 | Margaret Mcgovern | 42 | Wife | — | New Jersey |
| 44 | Drake Johnson | 50 | Head | Fireman | New Jersey |
| 45 | Lottie Johnson | 40 | Wife | Housework | New Jersey |
| 46 | Florence Johnson | 19 | Daughter | Mender | New Jersey |
| 47 | Simeon Johnson | 17 | Son | New Worker | New Jersey |
| 48 | James Johnson | 15 | Son | — | New Jersey |
| 49 | Betty Johnson THIS PERSON | 13 | Daughter | — | New Jersey |
| 50 | Eleanor Johnson | 11 | Daughter | — | New Jersey |
| 51 | Charlotte Johnson | 10 | Daughter | — | New Jersey |
| 52 | Margaret Johnson | 7 | Daughter | — | New Jersey |
| 53 | Jerry Stank | 5 | Boarder | — | New Jersey |
| 54 | Edward Disbrow | 83 | Head | — | New Jersey |
| 55 | Sarah Disbrow | 72 | Wife | — | New Jersey |
| 56 | Frances Sohl | 17 | Daughter | New Worker | New Jersey |
| 57 | Harry Stoyakowitch | 51 | Head | — | Austria |
| 58 | Annie Stoyakowitch | 41 | Wife | — | Austria |
| 59 | Michael Stoyakowitch | 26 | Son | Apprentice | New York |
| 60 | John Stoyakowitch | 23 | Son | General Work | New York |
| 61 | Thomas Mcdowell | 56 | Head | Laborer | New York |
| 62 | Mary Schaefer | 50 | Keeper | House Keeper | New York |
| 63 | Edward Schaefer | 14 | Boarder | — | New Jersey |
| 64 | Lester S. Irwin | 41 | Head | Truck Driver | New Jersey |
| 65 | Jennie A. Irwin | 44 | Wife | — | New Jersey |
| 66 | Lester Alvin Irwin | 15 | Son | — | New Jersey |
| 67 | Waclaw Sikorski | 45 | Head | Laborer | Poland |
| 68 | Frances Sikorski | 32 | Wife | — | New Jersey |
| 69 | Stanley Sikorski | 12 | Son | — | New Jersey |
| 70 | Sally Sikorski | 11 | Daughter | — | New Jersey |
| 71 | Leo Sikorski | 9 | Son | — | New Jersey |
| 72 | Norris Elmer | 40 | Head | Carpenter | New Jersey |
| 73 | Matilda Elmer | 44 | Wife | — | New Jersey |
| 74 | Kate Bastedo | 79 | Mother-in-law | — | 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)