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Margaret Brady — 1900 US Census Record
Linked across censuses1900 United States Federal Census · San Francisco, California
Our Model Tree links this Margaret Brady across the 1900, 1910 and 1920 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a head (b.~1849), then head of a 2-person household.
Age 51
b. ~1849
Female
Head
Born: Ireland
Widowed
1900 Census Record Details
| Census Year | 1900 |
| Location | San Francisco, California |
| Surname | Brady |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | July |
| Birth Year | 1849 |
| Year of Immigration | 1865 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | San Francisco |
| 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.
2 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Brady | Head | — | 51 | ~1849 |
| James Brady | Son | — | 20 | ~1880 |
Census Appearances
1900
San Francisco, …
Head, age 51
San Francisco, California · implied b. ~1849 — 2 household members
| Surname | Brady |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | July |
| Birth Year | 1849 |
| Year of Immigration | 1865 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
San Francisco, …
Spouse, age 59
San Francisco, California · implied b. ~1851 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 34 |
| Children Born | 10 |
| Children Living | 7 |
| Year of Immigration | 1870 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
San Francisco, …
Spouse, age 70
San Francisco, California · implied b. ~1850 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1862 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1884 |
| Birthplace (normalized) | ireland |
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 Margaret Brady 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
Margaret Brady
Head · 1900 · age 51 · b. ~1849 · 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:1900:12thcensusofpopu0101unit:0130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katie Diloraman | 40 | Servant | Nurse | Poland (Russ) |
| 2 | Thomas Mahoney | 28 | Head | Day Laborer | California |
| 3 | Annie Mahoney | 21 | Wife | — | California |
| 4 | Annie Mahoney | 0 | Daughter | — | California |
| 5 | John Dent | 38 | Head | Cooper | California |
| 6 | Lizzie Dent | 25 | Wife | — | Missouri |
| 7 | Thomas Riley | 23 | Head | Teamster | California |
| 8 | Nellie Riley | 23 | Wife | — | California |
| 9 | Robert Tebman | 24 | Head | Teamster | California |
| 10 | Thomas Mullane | 26 | Head | Porter (Wholesale) | California |
| 11 | Jennie Mullane | 24 | Wife | — | California |
| 12 | Thomas Mullane | 0 | Son | — | California |
| 13 | Ferdinand Male | 36 | Head | Engineer Station | California |
| 14 | Ruth Male | 31 | Wife | — | California |
| 15 | James E. Male | 9 | Son | At School | California |
| 16 | Robert Male | 8 | Son | — | California |
| 17 | Geo D. Zeffa | 40 | Head | Cook (Steamer) | Minnesota |
| 18 | Lulu Zeffa | 28 | Wife | — | California |
| 19 | Myrtle Zeffa | 0 | Daughter | — | California |
| 20 | Isaac Davidson | 70 | Head | — | Germany |
| 21 | Sarah Davidson | 26 | Daughter | — | California |
| 22 | Lee Chung Yee | 42 | Head | Laundryman | China |
| 23 | Gow Fung | 38 | Boarder | Laborer | China |
| 24 | Chung Yee | 39 | Boarder | Laborer | China |
| 25 | Wong Aze | 8 | Boarder | Laborer | California |
| 26 | Joe Wong | 34 | Boarder | Laundry Washer | China |
| 27 | Ah Lung Wah | 35 | Boarder | Washer | China |
| 28 | Lee Wah | 36 | Boarder | Washer | China |
| 29 | Thos Mcnally | 35 | Head | Shoemaker | California |
| 30 | Celestine Douglas | 35 | Head | Box Maker | France |
| 31 | Theresa Douglas | 39 | Wife | — | France |
| 32 | Michael Gannon | 40 | Head | — | Ireland |
| 33 | Thomas Gannon | 28 | Son | Service Man (Water Co) | California |
| 34 | Joseph Gannon | 22 | Son | Painter | California |
| 35 | Margaret Gannon | 30 | Daughter | Candymaker | California |
| 36 | Christina Gannon | 20 | Daughter | Salesman (Candy) | California |
| 37 | Lizzie Withers | 29 | Daughter | Tentmaker | California |
| 38 | William Gannon | 8 | Grandson | — | California |
| 39 | May Withers | 7 | Granddaughter | — | California |
| 40 | Margaret Brady THIS PERSON | 50 | Head | — | Ireland |
| 41 | James Brady | 19 | Son | Salesman (Wholesale) | California |
| 42 | Annie Daly | 36 | Head | — | California |
| 43 | Ethel Daly | 14 | Daughter | At School | California |
| 44 | Ruby Daly | 12 | Daughter | At School | California |
| 45 | William Harvey | 36 | Boarder | Carpenter | California |
| 46 | Edward Maher | 24 | Boarder | Produce Merchant | California |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)