RS
Ruby Smith — 1900 US Census Record
Model Tree available1900 United States Federal Census · Alameda, California
Our Model Tree links this Ruby Smith across the 1900, 1910 and 1920 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents Georgia & George — first a son (b.~1879), then head of a 2-person household.
Age 21
b. ~1879
Male
Son
Born: New Hampshire
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Alameda, California |
| Surname | Smith |
| Given Name | Ruby M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Birth Month | July |
| Birth Year | 1879 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Student |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1879 |
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.
2 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| George Smith | Head | — | 62 | ~1838 |
| Ruby Smith | Son | — | 21 | ~1879 |
Census Appearances
1900
Alameda, California
Son, age 21
Alameda, California · implied b. ~1879 — 2 household members
| Surname | Smith |
| Given Name | Ruby M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Birth Month | July |
| Birth Year | 1879 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Alameda, California
Son, age 31
Alameda, California · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Rufus |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 2 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Broker |
| Industry | Oil Stocks |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Alameda, California
Head, age 39
Alameda, California · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Rufus |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Broker |
| Industry | Real Estate |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Ruby Smith across 3 US Census years (1900, 1910 and 1920) in Alameda, California, using XGBoost record linkage. Identified parents: mother Georgia Smith (~0.92 confidence) and father George Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Georgia Smith
b. ~1836
Source mother
● Household
· direct · ~0.92
Father
George Smith
b. ~1838
Source father
● Household
· direct · ~0.92
This person
Anchor record
Ruby Smith
Son · 1900 · age 21 · b. ~1879 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Alameda, California
Open full size
1900 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu0082unit:0847)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George W Smith | 62 | Head | Rooming House Prop | Massachusetts |
| 52 | Ruby M Smith THIS PERSON | 20 | Son | Student | New Hampshire |
| 53 | Geo F Halladay | 49 | Head | Butcher | Canada |
| 54 | Sophia Halladay | 48 | Wife | — | Canada |
| 55 | Wm Halladay | 24 | Son | Butcher | Canada |
| 56 | Albert H Halladay | 17 | Son | Clerk | California |
| 57 | Eva J Halladay | 15 | Daughter | At School | California |
| 58 | Annie M Williams | 28 | Daughter | — | Canada |
| 59 | Frank Williams | 31 | Son-in-law | Engineer, Electric | California |
| 60 | Mary Alves | 50 | Head | — | Portugal |
| 61 | Isabella Alves | 16 | Daughter | At School | California |
| 62 | Chas Del Mora | 14 | Roomer | At School | California |
| 63 | Adolphine Kippe | 51 | Head | — | Germany |
| 64 | Elias Kippe | 20 | Son | Machinist | California |
| 65 | Paul Kippe | 18 | Son | Waiter | California |
| 66 | Della Kippe | 17 | Daughter | Bookkeeper | California |
| 67 | Bertha Kippe | 16 | Daughter | At School | California |
| 68 | Otto Kippe | 12 | Son | At School | California |
| 69 | Theodore Kippe | 8 | Son | At School | California |
| 70 | Joseph Myers | 53 | Brother | At Home | Germany |
| 71 | Joseph S Ullrich | 48 | Head | Plumber | Germany |
| 72 | Clara Ullrich | 45 | Wife | — | Pennsylvania |
| 73 | Lizzie Ullrich | 16 | Daughter | — | Pennsylvania |
| 74 | John Mccurdy | 35 | Head | Teamster | California |
| 75 | Pat K Desmond | 40 | Head | Teamster | Ireland |
| 76 | Margaret Desmond | 38 | Wife | — | Ireland |
| 77 | Lizzie O'Driscoll | 35 | Sister | — | Ireland |
| 78 | John Zember | 63 | Roomer | Upholsterer | Bavaria |
| 79 | Myers Lindbaum | 62 | Head | Second Hand Furn Prop | Poland |
| 80 | Fannie Lindbaum | 50 | Wife | — | Poland |
| 81 | Walter Lear Lindbaum | 26 | Daughter | — | California |
| 82 | Fred Lindbaum | 34 | Son-in-law | Bookkeeper | California |
| 83 | Isaac Barrett | 52 | Head | Produce Peddler | Poland |
| 84 | Jennie Barrett | 25 | Daughter | — | California |
| 85 | Mark Barrett | 23 | Son | "Clerk ""Produce""" | California |
| 86 | May Barrett | 17 | Daughter | At School | California |
| 87 | Bertie Barrett | 13 | Daughter | At School | California |
| 88 | John Dolan | 48 | Head | Plumber | Ireland |
| 89 | Annie Dolan | 35 | Wife | — | California |
| 90 | James E Dolan | 6 | Son | At School | California |
| 91 | Mary A Dolan | 4 | Daughter | — | California |
| 92 | Gracie Rodman | 7 | Niece | At School | California |
| 93 | S Ichimura | 25 | Head | Cook | Japan |
| 94 | S Matsumoto | 36 | Boarder | House Keeper | Japan |
| 95 | S Miyanaga | 20 | Roomer | Student | Japan |
| 96 | M Kukunaga | 20 | Roomer | Student | Japan |
| 97 | H Narita | 20 | Roomer | Student | Japan |
| 98 | Chin Yee | 35 | Head | Laundry | China |
| 99 | Lee Sam | 39 | Roomer | Laundryman | China |
| 100 | Ah Gow | 29 | Roomer | Laundryman | China |
Pedigree Summary
Ruby
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)