MR
Mary Richards — 1900 US Census Record
Linked across censuses1900 United States Federal Census · San Francisco, California
Our Model Tree links this Mary Richards across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 5-person household.
Age 39
b. ~1861
Female
Spouse
Born: Indiana
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | San Francisco, California |
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Indiana |
| Birth Month | Jan |
| Birth Year | 1861 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | |Yes |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | |Yes |
| Township / Ward | San Francisco |
| 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.
5 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bertha Richards | Daughter | — | 4 | ~1896 |
| Grace Richards | Daughter | — | 3 | ~1897 |
| Wm Richards | Head | — | 38 | ~1862 |
| R Richards | Son | — | 7 | ~1893 |
| Mary Richards | Spouse | — | 39 | ~1861 |
Census Appearances
1900
San Francisco, …
Spouse, age 39
San Francisco, California · implied b. ~1861 — 5 household members
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Indiana |
| Birth Month | Jan |
| Birth Year | 1861 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ohio |
| Occupation | |Yes |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1910
San Francisco, …
Spouse, age 48
San Francisco, California · implied b. ~1862 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Mollie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 17 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ohio |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
San Francisco, …
Head, age 57
San Francisco, California · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Molly |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Divorced |
| Birthplace | Indiana |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mary Richards across 3 US Census years (1900, 1910 and 1920) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
Mary Richards
Spouse · 1900 · age 39 · b. ~1861 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — San Francisco, California
Open full size
1900 US Federal Census — San Francisco, California
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu0103unit:0783)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Christensond | 21 | wife | |Yes | Texas |
| 52 | Marian Christensond | 2 | son | — | California |
| 53 | Christian Jensen | 50 | head | Grocery Store | Denmark |
| 54 | Benj Forchetti | 28 | head | Brass Moulder | Switzerland |
| 55 | Rosa Forchetti | 25 | wife | |Yes | Switzerland |
| 56 | Joseph Forchetti | 5 | son | — | California |
| 57 | Emanuel Forchetti | 0 | son | — | California |
| 58 | Edward Forchetti | 0 | son | — | California |
| 59 | Henry Jackson | 40 | head | Carpet Layer | California |
| 60 | Sophia Jackson | 38 | wife | |Yes | Germany |
| 61 | Hazel Jackson | 10 | daughter | At School | California |
| 62 | Harold Jackson | 7 | son | — | California |
| 63 | Hallie Bouldin | 8 | boarder | — | Oregon |
| 64 | Frank Thram | 37 | head | Cooker | Denmark |
| 65 | Mary Thram | 36 | wife | |Yes | California |
| 66 | Edna Thram | 14 | daughter | At School | California |
| 67 | James Thram | 10 | son | At School | California |
| 68 | Adolph Roberti | 50 | head | Expressman | Russia |
| 69 | Emma Roberti | 40 | wife | |Yes | Germany |
| 70 | Arthur Roberti | 18 | son | Day Laborer | Germany |
| 71 | Emma Roberti | 16 | daughter | Dressmaker | California |
| 72 | William Malloy | 55 | head | Expressman | Ireland |
| 73 | Silvia Malloy | 59 | wife | |Yes | Ireland |
| 74 | Peter Mcdonald | 16 | nephew | Elevator Boy | Scotland |
| 75 | James Conley | 16 | boarder | |Yes | California |
| 76 | Joseph M Mello | 35 | head | Conductor | Azores |
| 77 | Isabelle Mello | 22 | wife | |Yes | New York |
| 78 | Charles Mello | 4 | son | — | California |
| 79 | Clinton Mello | 2 | son | — | California |
| 80 | Frances Mello | 87 | mother | |Yes | Portugal |
| 81 | Malachi Torman | 60 | head | Day Laborer | Ireland |
| 82 | Ellen Torman | 56 | wife | |Yes | Ireland |
| 83 | William Torman | 18 | son | At School | California |
| 84 | James Torman | 16 | son | At School | California |
| 85 | George Stevenson | 34 | head | Electrician | California |
| 86 | Alice Stevenson | 22 | wife | |Yes | California |
| 87 | George Stevenson | 1 | son | — | California |
| 88 | Mother Mallasa | None | W | Dal Mch. | California |
| 89 | Father Andrew | None | W | — | California |
| 90 | William G Cox | 40 | head | Car Conductor | Ireland |
| 91 | Charlotte Cox | 69 | mother | |Yes | Ireland |
| 92 | Cynthia Cox | 33 | wife | |Yes | California |
| 93 | George V Cox | 13 | son | Glover | California |
| 94 | Wm B Richards | 37 | head | Inspector | Iowa |
| 95 | Mary Richards THIS PERSON | 39 | wife | |Yes | Indiana |
| 96 | R Leslie Richards | 6 | son | — | California |
| 97 | Bertha M Richards | 4 | daughter | — | California |
| 98 | Grace I Richards | 2 | daughter | — | California |
| 99 | Mrs Edwards | 73 | head | Janitress | Germany |
| 100 | Albert Edwards | 13 | son | At School | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)