EJ
Ella Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Ella Johnson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Female
Head
Born: Norway
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Johnson |
| Given Name | Ella A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Norway |
| 1935 Residence (City) | Berkeley City |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1874 |
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 Ella | Age | Birth yr |
|---|---|---|---|---|
| Ella Johnson | Head | — | 66 | ~1874 |
| Almonte Johnson | Son | — | 32 | ~1908 |
| Holger Johnson | Son | — | 39 | ~1901 |
Census Appearances
1900
Alameda, California
Spouse, age 27
Alameda, California · implied b. ~1873 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ella |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Norway |
| Birth Month | Jun |
| Birth Year | 1873 |
| Year of Immigration | 1893 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1910
Alameda, California
Spouse, age 37
Alameda, California · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ella A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 14 |
| Children Born | 5 |
| Children Living | 5 |
| Year of Immigration | 1893 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Housewife |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Alameda, California
Spouse, age 46
Alameda, California · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ella A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1897 |
| Birthplace (normalized) | norway |
1930
Alameda, California
Spouse, age 56
Alameda, California · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ella |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1896 |
| Age at First Marriage | 23 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Alameda-County, California
Head, age 66
Alameda-County, California · implied b. ~1874 — 3 household members
| Surname | Johnson |
| Given Name | Ella A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Norway |
| 1935 Residence (City) | Berkeley City |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Ella Johnson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ella Johnson
Head · 1940 · age 66 · b. ~1874 · California
★ 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00187-00309)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances Barrios | 4 | Daughter | — | California |
| 2 | Andrea Barrios | 2 | Daughter | — | California |
| 3 | Daniel, Jr. Barrios | 1 | Son | — | California |
| 4 | John B. Pecolatto | 65 | Head | — | Italy |
| 5 | Noel Harmon Cole | 20 | Head | Barber | California |
| 6 | Margaret Irene Cole | 19 | Wife | — | California |
| 7 | Eudora Cole | 18 | Sister | Maid | California |
| 8 | Nina Lee Cole | 5 | Niece | — | California |
| 9 | Ella A. Johnson THIS PERSON | 66 | Head | — | Norway |
| 10 | Holger E. Johnson | 39 | Son | Seaman | California |
| 11 | Almonte Johnson | 32 | Son | Clerk | California |
| 12 | Benjamin Watkins | 38 | Head | Carpenter | Kansas |
| 13 | Thelma D. Watkins | 30 | Wife | — | Kansas |
| 14 | Burgess Watkins | 16 | Son | — | Kansas |
| 15 | Thelma E. Watkins | 14 | Daughter | — | Kansas |
| 16 | Benjamin Watkins | 12 | Son | — | Kansas |
| 17 | Betty Lou Watkins | 10 | Daughter | — | Kansas |
| 18 | Shirley Watkins | 2 | Daughter | — | California |
| 19 | Joseph Taylor | 36 | Head | Chef | Texas |
| 20 | Pearl Taylor | 29 | Wife | — | Texas |
| 21 | Thelma Taylor | 14 | Daughter | — | California |
| 22 | Audrey Taylor | 12 | Daughter | — | California |
| 23 | Joseph, Jr. Taylor | 11 | Son | — | California |
| 24 | Janette Taylor | 10 | Daughter | — | California |
| 25 | Robert Taylor | 9 | Son | — | California |
| 26 | Lucetic Hudspeth | 42 | Head | Maid | Texas |
| 27 | Julia Frances Hudspeth | 13 | Daughter | — | California |
| 28 | Martha S. Rowney | 57 | Head | — | California |
| 29 | Rudolph Rowney | 35 | Son | Employer | California |
| 30 | Clarence Eakins | 40 | Head | Plumbing | Wisconsin |
| 31 | Margaret Eakins | 32 | Wife | — | California |
| 32 | William Dan Eakins | 2 | Son | — | California |
| 33 | John W. Cortes | 73 | Head | Employer | Germany |
| 34 | Emma M. Cortes | 67 | Wife | — | Pennsylvania |
| 35 | Louis D. Ellis | 55 | Head | Lithographer | California |
| 36 | Susan E. Ellis | 56 | Wife | Manager | California |
| 37 | Thomas H. Newton | 48 | Head | Traveling Agent | Arizona |
| 38 | Clara Agnes Newton | 38 | Wife | — | California |
| 39 | Robert Newton | 12 | Son | — | California |
| 40 | Annie Q. Martin | 39 | Head | — | Texas |
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)