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Bertha Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this Bertha Nelson across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 6-person household.
Age 44
b. ~1896
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Nelson |
| Given Name | Bertha M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Clifton |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Hackensack Part Of |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Gladys Nelson | Daughter | — | 20 | ~1920 |
| Althea Nelson | Daughter | — | 18 | ~1922 |
| Bertha Nelson | Spouse | — | 44 | ~1896 |
| Gustave Nelson | Head | — | 47 | ~1893 |
| Gustave Nelson | Son | — | 7 | ~1933 |
| Thelma Nelson | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Passaic, New …
Spouse, age 23
Passaic, New Jersey · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Other, age 34
Passaic, New Jersey · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Bertha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Spouse, age 44
Bergen-County, New Jersey · implied b. ~1896 — 6 household members
| Surname | Nelson |
| Given Name | Bertha M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Clifton |
| 1935 Residence (County) | Passaic |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | New Jersey |
| 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 Bertha Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Nelson
Spouse · 1940 · age 44 · b. ~1896 · 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 — 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-t0627-02314-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgette E. Kooistra | 19 | Daughter | Machine Operator | New Jersey |
| 2 | Ruth E. Kooistra | 17 | Daughter | Machine Operator | New Jersey |
| 3 | Maynard W. Kooistra | 15 | Son | — | New Jersey |
| 4 | Evelyn L. Kooistra | 14 | Daughter | — | New Jersey |
| 5 | Henry K. Kooistra | 3 | Son | — | New Jersey |
| 6 | Janet E. Kooistra | 0 | Daughter | — | New Jersey |
| 7 | Yorinus G. Griep | 49 | Head | Carpenter | Holland |
| 8 | Lena Griep | 48 | Wife | — | Holland |
| 9 | Yorinus Griep | 24 | Son | Invoice Clerk | New Jersey |
| 10 | Elmer Griep | 17 | Son | — | New Jersey |
| 11 | Oliver Bollard | 74 | Head | — | England |
| 12 | Sarah A. Bollard | 66 | Wife | — | England |
| 13 | Fred Hemmerling | 31 | Head | Splicer | New Jersey |
| 14 | Josephine E. Hemmerling | 29 | Wife | — | New Jersey |
| 15 | Fred W. Hemmerling | 1 | Son | — | New Jersey |
| 16 | Michael Rymoniak | 37 | Head | Repair Man | New Jersey |
| 17 | Elizabeth Rymoniak | 33 | Wife | — | New Jersey |
| 18 | Marcia Rymoniak | 6 | Daughter | — | New Jersey |
| 19 | Harry M. Rymoniak | 2 | Son | — | New Jersey |
| 20 | John W. Toothill | 62 | Head | Manager | New York |
| 21 | Ida M. Toothill | 62 | Wife | Instructor | Pennsylvania |
| 22 | Royal D. Taggart | 29 | Head | Office Clerk | Wyoming |
| 23 | Lillian O. Taggart | 25 | Wife | — | New Jersey |
| 24 | Olive Manwaring | 48 | Mother-in-law | Seamstress | New Jersey |
| 25 | Matilda Murray | 37 | Head | — | New York |
| 26 | Matilda Murray | 15 | Daughter | — | New York |
| 27 | John J. Zilla | 58 | Head | Mill-Wright | New York |
| 28 | Clara E. Zilla | 51 | Wife | — | New Jersey |
| 29 | John J. Zilla | 28 | Son | Stock Clerk | New Jersey |
| 30 | Jack J. Cabri | 39 | Son-in-law | Truck Driver | Holland |
| 31 | Katherine K. Cabri | 32 | Daughter | — | New Jersey |
| 32 | Charles A. Melvin | 33 | Head | Warper | New Jersey |
| 33 | Marion Melvin | 29 | Wife | Stenographer | New Jersey |
| 34 | Gustave V. Nelson | 47 | Head | Insurance Agent | New Jersey |
| 35 | Bertha M. Nelson THIS PERSON | 44 | Wife | — | New Jersey |
| 36 | Gladys M. Nelson | 20 | Daughter | Typist | New Jersey |
| 37 | Althea E. Nelson | 18 | Daughter | Examiner | New Jersey |
| 38 | Thelma J. Nelson | 16 | Daughter | — | New Jersey |
| 39 | Gustave J. Nelson | 7 | Son | — | New Jersey |
| 40 | George E. Brown | 34 | Head | Baker | Georgia |
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)