JC
John Christian — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Contra Costa, California
Our Model Tree links this John Christian across the 1900 and 1910 US Censuses in Contra Costa, California (XGBoost, ~Confirmed) — first a head (b.~1849), then head of a 7-person household.
Age 61
b. ~1849
Male
Head
Born: Kentucky
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Contra Costa, California |
| Surname | Christian |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Years Married | 22 |
| Father's Birthplace | Not Known |
| Mother's Birthplace | Not Known |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | Concord City |
| Est. Birth Year | ~1849 |
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.
7 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charles Christian | Son | — | 8 | ~1902 |
| Carrie Christian | Spouse | — | 45 | ~1865 |
| Claude Christian | Son | — | 21 | ~1889 |
| Willie Christian | Son | — | 19 | ~1891 |
| John Christian | Head | — | 61 | ~1849 |
| Harvey Christian | Son | — | 7 | ~1903 |
| Daisy Christian | Son | — | 15 | ~1895 |
Census Appearances
1900
Contra Costa, …
Head, age 52
Contra Costa, California · implied b. ~1848 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Christian |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Birth Month | July |
| Birth Year | 1848 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Day laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1910
Contra Costa, …
Head, age 61
Contra Costa, California · implied b. ~1849 — 7 household members
| Surname | Christian |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Years Married | 22 |
| Father's Birthplace | Not Known |
| Mother's Birthplace | Not Known |
| Occupation | Laborer |
| Industry | Farm |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 John Christian across 2 US Census years (1900 and 1910) in Contra Costa, California, using XGBoost record linkage.
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This person
Anchor record
John Christian
Head · 1910 · age 61 · b. ~1849 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Contra Costa, California
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1910 US Federal Census — Contra Costa, California
Page Contents
31 people indexed on this census page (ia:1910:13thcensus1910po0075unit:0235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur W Gunn | 33 | Boarder | Cook | Michigan |
| 52 | Leman Gunn | 73 | Boarder | Laborer | Ohio |
| 53 | Alexander Buckley | 47 | Boarder | Laborer | Not Known |
| 54 | Robert A Fouts | 48 | Boarder | Laborer | Missouri |
| 55 | Thomas Fouts | 46 | Boarder | Painter | Not Known |
| 56 | Archie Gudmun | 44 | Boarder | Carpenter | Not Known |
| 57 | Louis Gudmun | 27 | Boarder | Carpenter | California |
| 58 | J W Eubee | 21 | Boarder | Laborer | California |
| 59 | Antone Marcel | 34 | Boarder | Horseman | Portugal |
| 60 | Ken Numenagawa | 30 | Head | Hotel Keeper | Japan |
| 61 | Saye Numenagawa | 20 | Wife | — | Japan |
| 62 | Samuel Paggi | 27 | Head | Laborer | Italy |
| 63 | Philomena Paggi | 29 | Wife | — | Italy |
| 64 | Felix Paggi | 7 | Son | — | California |
| 65 | Mary Paggi | 6 | Daughter | — | California |
| 66 | Julia Paggi | 5 | Daughter | — | California |
| 67 | Florence Paggi | 2 | Daughter | — | California |
| 68 | Joseph Paggi | 0 | Son | — | California |
| 69 | Joe Joaquin Costa | 67 | Head | Laborer | Azores |
| 70 | Annie Costa | 48 | Wife | — | Azores |
| 71 | Joseph Costa | 16 | Son | Laborer | California |
| 72 | Amy Costa | 14 | Daughter | None | California |
| 73 | Frank Costa | 12 | Son | None | California |
| 74 | Manuel Costa | 10 | Son | None | California |
| 75 | John B Christian THIS PERSON | 61 | Head | Laborer | Kentucky |
| 76 | Carrie Christian | 45 | Wife | None | California |
| 77 | Claude Christian | 21 | Son | Laborer | California |
| 78 | Willie Christian | 19 | Son | Laborer | California |
| 79 | Daisy Christian | 15 | Son | None | California |
| 80 | Charles Christian | 8 | Son | — | California |
| 81 | Harvey Christian | 7 | Son | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)