EJ
Ellen Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Ellen Johnson across the 1920, 1930 and 1940 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 43
b. ~1887
Female
Spouse
Born: Denmark
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Johnson |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1914 |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Township / Ward | San Francisco |
| 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 1930 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| Nels Johnson | Head | — | 46 | ~1884 |
| Clarke Johnson | Son | — | 11 | ~1919 |
| Ellen Johnson | Spouse | — | 43 | ~1887 |
Census Appearances
1920
San Francisco, …
Spouse, age 34
San Francisco, California · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1912 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | denmark |
1930
San Francisco, …
Spouse, age 43
San Francisco, California · implied b. ~1887 — 3 household members
| Surname | Johnson |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1914 |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
San-Francisco-County, California
Head, age 54
San-Francisco-County, California · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnsen |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Denmark |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Ellen Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Johnson
Spouse · 1930 · age 43 · b. ~1887 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
48 people indexed on this census page (ia:1930:californiacensus00reel201:0097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Sheffield | 38 | Head | Commission | Iowa |
| 2 | Marie Sheffield | 38 | Wife | — | Iowa |
| 3 | Frederick Sheffield | 23 | Son | — | Iowa |
| 4 | Arthur J. Drouin | 39 | Head | Motorman | New Hampshire |
| 5 | Catherine G. Drouin | 38 | Wife | None | California |
| 6 | Robert J. Drouin | 7 | Son | None | Texas |
| 7 | Alice Nelson | 44 | Head | Teacher | Belgium |
| 8 | Mary Nelson | 11 | Daughter | None | California |
| 9 | Conrad Renstrom | 34 | Head | Supt. | Minnesota |
| 10 | Margaret Renstrom | 29 | Wife | None | California |
| 11 | Gwendolyn Renstrom | 9 | Daughter | None | California |
| 12 | D. Elaine Renstrom | 5 | Daughter | None | California |
| 13 | Conrad Jr. Renstrom | 3 | Son | None | California |
| 14 | Jacob L. Mathis | 71 | Head | Retired | New York |
| 15 | Lena Mathis | 65 | Wife | None | Kentucky |
| 16 | Eagle Mathis | 37 | Son | Machinist | California |
| 17 | Flora Mathis | 35 | Daughter | None | California |
| 18 | Ida Mathis | 32 | Daughter | Claim Dept. | California |
| 19 | Jacob Mathis | 30 | Son | Accountant | California |
| 20 | Helen Mathis | 26 | Daughter | None | California |
| 21 | Nellie E. Daly | 60 | Head | None | California |
| 22 | Helen A. Daly | 25 | Daughter | Teacher | California |
| 23 | Jesse G. Daly | 23 | Son | None | California |
| 24 | Dan Smith | 22 | Head | Engineer | Kansas |
| 25 | Pauline Smith | 21 | Wife | None | Minnesota |
| 26 | Dan Jr. Smith | 1 | Son | None | California |
| 27 | Chas. Kase | 44 | Head | Conductor | Hawaii |
| 28 | Teresa Kase | 43 | Wife | None | Oregon |
| 29 | Donald Kase | 6 | Son | None | California |
| 30 | Teddy Kase | 2 | Son | None | California |
| 32 | Mary Moerner | 44 | Head | None | Northern Ireland |
| 33 | David Moerner | 22 | Son | Salesman | California |
| 34 | Eleanor Moerner | 21 | Daughter | — | California |
| 35 | Elizabeth Moerner | 19 | Daughter | — | California |
| 36 | Dorothy Moerner | 18 | Daughter | — | California |
| 37 | H. Carl Fritz | 64 | Head | None | Missouri |
| 38 | Ella Fritz | 58 | Sister | None | New York |
| 39 | Lucy Fritz | 55 | Sister | Teacher | California |
| 40 | Ernest Lindeman | 33 | Head | Police | California |
| 41 | Margaret Lindeman | 23 | Wife | None | California |
| 42 | Robert Strehl | 60 | Father-in-law | Ship Fitter | Hawaii |
| 43 | Margaret Strehl | 54 | Mother-in-law | None | California |
| 44 | Robert Jr. Lindeman | 3 | Son | None | California |
| 45 | Virginia Miller | 74 | Head | None | California |
| 46 | Lydia M. Miller | 49 | Daughter | None | California |
| 47 | Nels Johnson | 46 | Head | Nurse | Denmark |
| 48 | Ellen Johnson THIS PERSON | 43 | Wife | None | Denmark |
| 49 | Clarke Johnson | 11 | Son | None | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)