AC
Annie Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mendocino, California
Our Model Tree links this Annie Clark across the 1920, 1930 and 1940 US Censuses in Mendocino, California (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 4-person household.
Age 59
b. ~1861
Female
Spouse
Born: California
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mendocino, California |
| Surname | Clark |
| Given Name | Annie F |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Long Valley Township |
| Est. Birth Year | ~1861 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Annie | Age | Birth yr |
|---|---|---|---|---|
| Beulah Clark | Daughter | — | 34 | ~1886 |
| Heidley Clark | Daughter | — | 29 | ~1891 |
| Joseph Clark | Head | — | 66 | ~1854 |
| Annie Clark | Spouse | — | 59 | ~1861 |
Census Appearances
1920
Mendocino, California
Spouse, age 59
Mendocino, California · implied b. ~1861 — 4 household members
| Surname | Clark |
| Given Name | Annie F |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Mendocino, California
Spouse, age 70
Mendocino, California · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Annie E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Mendocino-County, California
Head, age 80
Mendocino-County, California · implied b. ~1860
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Clarke |
| Given Name | Annie F. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | California |
| 1935 Residence (City) | Long Valley Judicial |
| Highest Grade | No 2 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Annie Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Annie Clark
Spouse · 1920 · age 59 · b. ~1861 · 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:0219)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph H Clark | 66 | Head | Stock Raiser | Utah |
| 2 | Annie F Clark THIS PERSON | 59 | Wife | — | California |
| 3 | Beulah Clark | 34 | Daughter | Teacher | California |
| 4 | Heidley Annie Clark | 29 | Daughter | — | California |
| 5 | William J Bratton | 27 | Head | Foreman | California |
| 6 | Harriett M Bratton | 24 | Wife | — | California |
| 7 | George B Wilson | 37 | Head | Foreman | California |
| 8 | George W Mcculloch | 62 | Hired Man | Herder | California |
| 9 | Abraham Requa | 47 | Head | Farmer | California |
| 10 | Maud E Requa | 39 | Wife | — | California |
| 11 | May B Requa | 19 | Daughter | — | California |
| 12 | Grace E Requa | 15 | Daughter | — | California |
| 13 | Clarence E Requa | 12 | Son | — | California |
| 14 | Vernon X Requa | 3 | Son | — | California |
| 15 | Earnest H Requa | 1 | Son | — | California |
| 16 | Valentine Requa | 41 | Head | Stock Raiser | California |
| 17 | Alice M Requa | 36 | Wife | — | California |
| 18 | Valentine E Requa | 13 | Son | — | California |
| 19 | Lawrence C Requa | 9 | Son | — | California |
| 20 | James A Montgomery | 37 | Head | Farmer | Canada |
| 21 | Rosalie Montgomery | 28 | Wife | — | California |
| 22 | James A Montgomery | 8 | Son | — | California |
| 23 | Elinor L Montgomery | 6 | Daughter | — | California |
| 24 | Edward L Montgomery | 4 | Son | — | California |
| 25 | Robert S Montgomery | 1 | Son | — | California |
| 26 | Sanders Hayes | 45 | Head | Farmer | Pennsylvania |
| 27 | Daisy T Hayes | 40 | Wife | — | Pennsylvania |
| 28 | Henry Hochmeyer | 54 | Hired Man | Farm Laborer | Germany |
| 29 | Samuel T Smith | 54 | Head | Trapper | California |
| 30 | Effie F Smith | 40 | Wife | — | Georgia |
| 31 | Charles T Smith | 5 | Son | — | Georgia |
| 32 | Louis A Smith | 51 | Head | Farmer | California |
| 33 | Thomas R Tracey | 22 | Hired Man | Farm Laborer | California |
| 34 | Isaac Snyder | 65 | Head | Farmer | Iowa |
| 35 | Augusta Snyder | 40 | Wife | — | California |
| 36 | Clifford D Snyder | 18 | Son | Chauffeur | California |
| 37 | Dallas A Snyder | 16 | Son | Laborer | California |
| 38 | Oliver E Snyder | 14 | Son | — | California |
| 39 | Edmond H Snyder | 8 | Son | — | California |
| 40 | Elmer J Farley | 17 | Boarder | Farm Laborer | California |
| 41 | Curtis M Winchester | 38 | Head | Physician | California |
| 42 | May Winchester | 21 | Wife | — | California |
| 43 | Benjamin H Davison | 36 | Head | Farmer | California |
| 44 | Vella A Davison | 32 | Wife | — | California |
| 45 | Abba M Davison | 7 | Daughter | — | California |
| 46 | George R Vivian | 56 | Head | Gardener | Missouri |
| 47 | Eliza J Vivian | 45 | Wife | — | Illinois |
| 48 | Dorothy S Vivian | 7 | Daughter | — | California |
| 49 | Niels C Petersen | 48 | Head | Farmer | Denmark |
| 50 | Laura C Petersen | 10 | Daughter | — | California |
Related Census Records
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)