AJ
Anna Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mendocino, California
Our Model Tree links this Anna Johnson across the 1920, 1930 and 1940 US Censuses in Mendocino, California (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 5-person household.
Age 25
b. ~1895
Female
Spouse
Born: Finland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mendocino, California |
| Surname | Johnson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1914 |
| Naturalization Status | Alien |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Comptche Precinct Big River Twp |
| Est. Birth Year | ~1895 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Abel Johnson | Head | — | 36 | ~1884 |
| Ilon Johnson | Son | — | ~1920 | |
| Reyno Johnson | Son | — | 2 | ~1918 |
| Frank Johnson | Son | — | 4 | ~1916 |
| Anna Johnson | Spouse | — | 25 | ~1895 |
Census Appearances
1920
Mendocino, California
Spouse, age 25
Mendocino, California · implied b. ~1895 — 5 household members
| Surname | Johnson |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1914 |
| Naturalization Status | Alien |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Mendocino, California
Spouse, age 35
Mendocino, California · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Alien |
| Year of Immigration | 1914 |
| Age at First Marriage | 19 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Mendocino-County, California
Spouse, age 45
Mendocino-County, California · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Annie |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mendocino |
| Naturalization Status | Alien |
| Highest Grade | No 2 |
| 1935 Residence | California |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Anna Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Anna Johnson
Spouse · 1920 · age 25 · b. ~1895 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Mendocino, California
Open full size
1920 US Federal Census — Mendocino, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu121unit:0120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Smith | 82 | Head | Farmer | Finland |
| 2 | Beata Smith | 74 | Wife | — | Finland |
| 3 | John Jr. Smith | 31 | Son | Farmer | California |
| 4 | Mary Smith | 30 | Daughter | — | California |
| 5 | Dudley S. Philbrick | 71 | Head | Farmer | Maine |
| 6 | John E. Philbrick | 34 | Son | Farmer | California |
| 7 | Mary E. Philbrick | 34 | Daughter-in-law | — | California |
| 8 | Dudley C. Philbrick | 8 | Grandson | — | California |
| 9 | Inez E. Philbrick | 5 | Granddaughter | — | California |
| 10 | Martha J. Philbrick | 3 | Granddaughter | — | California |
| 11 | William H. Sune | 44 | Hired man | Farm-Hand | Indiana |
| 12 | David C. Drew | 65 | Head | — | Utah |
| 13 | Lula J. Drew | 27 | Daughter | — | California |
| 14 | Pearl A. Drew | 35 | Son | Laborer | California |
| 15 | Pearle Muck | 14 | Ward | — | California |
| 16 | Raymond Muck | 11 | Ward | — | California |
| 17 | Walter Hopper | 43 | Head | Tie Maker | Missouri |
| 18 | Ida E. Hopper | 36 | Wife | — | California |
| 19 | Katie Hopper | 14 | Daughter | — | California |
| 20 | Andrew M. Hopper | 11 | Son | — | California |
| 21 | Hazel D. Hopper | 9 | Daughter | — | California |
| 22 | Nellie M. Hopper | 4 | Daughter | — | California |
| 23 | Victor L. Hopper | 1 | Son | — | California |
| 24 | Guerino Rossotto | 31 | Head | Tie Maker | Italy |
| 25 | Robert Simmons | 32 | Head | Tie Maker | California |
| 26 | Louisa Simmons | 62 | Mother | — | Illinois |
| 27 | Alexander Kangas | 34 | Head | Tie Maker | Finland |
| 28 | Hilda M. Kangas | 35 | Wife | — | Sweden |
| 29 | Aura A. Kangas | 11 | Daughter | — | California |
| 30 | Agnes M. Kangas | 8 | Daughter | — | California |
| 31 | John A. A. Kangas | 4 | Son | — | California |
| 32 | Abel Johnson | 36 | Head | Tie Maker | Finland |
| 33 | Anna Johnson THIS PERSON | 25 | Wife | — | Finland |
| 34 | Frank W. Johnson | 4 | Son | — | Finland |
| 35 | Reyno W. Johnson | 2 | Son | — | California |
| 36 | Ilon Johnson | 0 | Son | — | California |
| 37 | Francis L. Howard | 63 | Head | Tie Maker | Connecticut |
| 38 | Peter Poli | 32 | Head | Tie Maker | Italy |
| 39 | Peter Coggi | 29 | Head | Tie Maker | Italy |
| 40 | William C. Lang | 47 | Head | Manager | Minnesota |
| 41 | Alice E. Jackson | 60 | Head | Farmer | New York |
| 42 | Arthur Jackson | 74 | Brother | — | New York |
| 43 | George H. Effington | 41 | Head | Farmer | Michigan |
| 44 | Elizabeth Effington | 32 | Wife | — | California |
| 45 | Joseph Bartoli | 25 | Head | Tie Maker | Italy |
| 46 | Antonio Colombo | 41 | Head | Tie Maker | Italy |
| 47 | John H. Dietz | 57 | Head | Farmer | At Sea |
| 48 | Helen Dietz | 57 | Wife | — | Scotland |
| 49 | Helen A. C. Scott | 26 | Step-daughter | Teacher | Scotland |
| 50 | T. Anton Andersen | 68 | Head | Tie Maker | Norway |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)