MC
Mary Cohen — 1900 US Census Record
Linked across censuses1900 United States Federal Census · San Francisco, California
Our Model Tree links this Mary Cohen across the 1900 and 1910 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a spouse (b.~1844), then head of a 11-person household.
Age 56
b. ~1844
Female
Spouse
Born: Germany
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | San Francisco, California |
| Surname | Cohen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | Jan |
| Birth Year | 1844 |
| Year of Immigration | 1865 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1844 |
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.
11 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sidney Cohen | Son | — | 35 | ~1865 |
| Hazel Tobias | Other | — | 9 | ~1891 |
| William Cohen | Son | — | 21 | ~1879 |
| Bertha Tobias | Other | — | 11 | ~1889 |
| Nettie Cohen | Daughter | — | 26 | ~1874 |
| Myer Cohen | Head | — | 76 | ~1824 |
| Nathan Tobias | Other | — | 41 | ~1859 |
| Tessie Cohen | Daughter | — | 23 | ~1877 |
| Annie Tobias | Daughter | — | 25 | ~1875 |
| Mary Cohen | Spouse | — | 56 | ~1844 |
| Bella Cohen | Daughter | — | 24 | ~1876 |
Census Appearances
1900
San Francisco, …
Spouse, age 56
San Francisco, California · implied b. ~1844 — 11 household members
| Surname | Cohen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | Jan |
| Birth Year | 1844 |
| Year of Immigration | 1865 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1910
San Francisco, …
Spouse, age 63
San Francisco, California · implied b. ~1847 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Minna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Germany |
| Years Married | 43 |
| Children Born | 4 |
| Children Living | 3 |
| Year of Immigration | 1867 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Cohen across 2 US Census years (1900 and 1910) in San Francisco, California, using XGBoost record linkage.
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This person
Anchor record
Mary Cohen
Spouse · 1900 · age 56 · b. ~1844 · 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:1900:12thcensusofpopu0104unit:0746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia Harris | 38 | Wife | — | California |
| 2 | Frankie Harris | 14 | Daughter | At School | California |
| 3 | Casper Harris | 9 | Son | At School | California |
| 4 | Gifford Harris | 8 | Daughter | At School | California |
| 5 | Harold Harris | 5 | Son | — | California |
| 6 | Myer Cohen | 76 | Head | — | Germany |
| 7 | Mary Cohen THIS PERSON | 56 | Wife | — | Germany |
| 8 | Sidney Cohen | 35 | Son | Wholesale Liquor Dealer | California |
| 9 | Nettie Cohen | 26 | Daughter | — | California |
| 10 | Bella Cohen | 24 | Daughter | — | California |
| 11 | Tessie Cohen | 22 | Daughter | — | California |
| 12 | William Cohen | 21 | Son | Commercial Traveller | California |
| 13 | Nathan J. Tobias | 41 | Son-in-law | Liquor Commercial Traveller | New York |
| 14 | Annie Tobias | 25 | Daughter | Fancy Goods | California |
| 15 | Bertha Tobias | 10 | Gr-Daughter | At School | California |
| 16 | Hazel Tobias | 9 | Gr-Daughter | At School | California |
| 17 | Jacob Schwerdt | 57 | Head | Packer - Fixtures | Germany |
| 18 | Caroline Schwerdt | 51 | Wife | — | Germany |
| 19 | Minnie Schwerdt | 26 | Daughter | — | California |
| 20 | Louis Schwerdt | 24 | Son | Clerk - Fixtures | California |
| 21 | Caroline Schwerdt | 13 | Daughter | At School | California |
| 22 | Louis A. Remmer | 35 | Head | — | England |
| 23 | Mary Remmer | 31 | Wife | — | California |
| 24 | Florence B. Remmer | 3 | Daughter | — | California |
| 25 | William J. Remmer | 1 | Son | — | California |
| 26 | James Nealon | 75 | Head | Contractor | Ireland |
| 27 | Mary A. Nealon | 52 | Wife | — | Ireland |
| 28 | John J. Nealon | 25 | Son | Bar-Tender | California |
| 29 | David Abramson | 63 | Head | Merchant - Dry Gds | Germany |
| 30 | Augusta Abramson | 52 | Wife | — | Germany |
| 31 | Rudolph Abramson | 20 | Son | Clerk - Grocery | Germany |
| 32 | Hattie Abramson | 18 | Daughter | At School | Germany |
| 33 | Mona Abramson | 15 | Son | At School | Germany |
| 34 | Lee Poilin | 23 | Head | Laundry - Proprietor | China |
| 35 | Lee Ding | 32 | Boarder | Laundry - Laborer | China |
| 36 | Ling Unk | 40 | Boarder | Laundry - Laborer | China |
| 37 | Lee Tink | 28 | Boarder | Laundry - Laborer | California |
| 38 | Lim Jing | 23 | Boarder | Laundry - Laborer | China |
| 39 | Lim Yen | 31 | Boarder | Laundry - Laborer | China |
| 40 | Sam Afee | 30 | Boarder | Laundry - Laborer | China |
| 41 | Lee Wong | 20 | Boarder | Laundry - Laborer | California |
| 42 | Lee Too Shing | 48 | Boarder | Laundry - Laborer | China |
| 43 | Lee The J. | 30 | Boarder | Laundry - Laborer | China |
| 44 | Mattie Mudd | 40 | Head | — | Nevada |
| 45 | George E. Mudd | 24 | Son | — | California |
| 46 | Alma Mudd | 13 | Daughter | At School | California |
| 47 | Hazel Mudd | 11 | Daughter | At School | California |
| 48 | Mary Mitchell | 73 | Mother | — | Ireland |
| 49 | Mathias Hansen | 47 | Boarder | Shoemaker | Denmark |
| 50 | William Cawley | 48 | Head | Driver | Ireland |
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)