MR
Mary Read — 1930 US Census Record
Linked across censuses1930 United States Federal Census · San Francisco, California
Our Model Tree links this Mary Read across the 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.
Age 40
b. ~1890
Female
Spouse
Born: California
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | San Francisco, California |
| Surname | Read |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 27 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1890 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Sullivan | Other | — | 64 | ~1866 |
| George Read | Head | — | 44 | ~1886 |
| Grace Dufilsen | Other | — | 75 | ~1855 |
| George Read | Son | — | 11 | ~1919 |
| Margaret Read | Daughter | — | 13 | ~1917 |
| Mary Read | Spouse | — | 40 | ~1890 |
Census Appearances
1920
San Francisco, …
Spouse, age 30
San Francisco, California · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reid |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Spouse, age 40
San Francisco, California · implied b. ~1890 — 6 household members
| Surname | Read |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 27 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Read across 2 US Census years (1920 and 1930) in San Francisco, California, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Read
Spouse · 1930 · age 40 · b. ~1890 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — San Francisco, California
Open full size
1930 US Federal Census — San Francisco, California
Page Contents
48 people indexed on this census page (ia:1930:californiacensus00reel201:1090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ethel A Kupron | 66 | Wife | — | Maine |
| 52 | Joseph H Albers | 33 | Head | Judge | California |
| 53 | Marie Albers | 30 | Wife | — | Norway |
| 54 | Marjorie E Albers | 8 | Daughter | — | California |
| 55 | Florence Kohn | 62 | Mother-in-law | — | Norway |
| 56 | Henry E B Albers | 67 | Father | — | Germany |
| 57 | George W Read | 44 | Head | Sheet Metal Worker | California |
| 58 | Mary Read THIS PERSON | 40 | Wife | — | California |
| 59 | Margaret Read | 13 | Daughter | — | California |
| 60 | George F Read | 11 | Son | — | California |
| 61 | John Sullivan | 64 | Uncle | Carpenter | California |
| 62 | Grace Dufilsen | 75 | Roomer | — | Irish Free State |
| 63 | Fred R Roy | 35 | Head | Manager | California |
| 64 | Julia B Roy | 31 | Wife | — | California |
| 65 | Elmer W Roy | 9 | Son | — | California |
| 66 | Mary Tobin | 61 | Head | — | Irish Free State|Scotland |
| 67 | Margaret Whitehead | 56 | Sister | — | Irish Free State|Scotland |
| 70 | William Brediger | 34 | Head | Police | Missouri |
| 71 | Alene A Brediger | 37 | Wife | — | California |
| 72 | Edward Brediger | 17 | Son | — | California |
| 73 | Simon Mcdonald | 52 | Head | Horse Shoer | Prince Edward Island |
| 74 | Annie Mcdonald | 50 | Wife | — | California |
| 75 | Ernest Mcdonald | 24 | Son | Clerk | California |
| 76 | Nancy Mcdonald | 14 | Daughter | Clerk | California |
| 77 | Mullin G Dealey | 47 | Head | Asst Superintendent | California |
| 78 | Catherine Dealey | 47 | Wife | — | California |
| 79 | Edith Dealey | 22 | Daughter | Stenographer | California |
| 80 | John M Douglas | 30 | Head | Salesman | California |
| 81 | Margaret R Douglas | 28 | Wife | — | Nevada |
| 82 | Mary M Douglas | 2 | Daughter | — | California |
| 83 | Joyce D Douglas | 0 | Daughter | — | California |
| 84 | Grace Argue | 56 | Housekeeper | Housekeeper | Indiana |
| 85 | Bernard Lloyd | None | Head | — | U.S.A. |
| 86 | Daniel H Mullane | 44 | Head | Broker | Indiana |
| 87 | May Mullane | 40 | Wife | — | Minnesota |
| 88 | Rosalie Mullane | 16 | Daughter | — | Minnesota |
| 89 | Mildred Mullane | 11 | Daughter | — | Minnesota |
| 90 | Douglas Mullane | 17 | Son | — | Indiana |
| 91 | Marjory Mullane | 4 | Daughter | — | Minnesota |
| 92 | John Shipman | 24 | Head | Electrician | Hilo H.T. |
| 93 | Elsa Shipman | 28 | Wife | — | California |
| 94 | Francis Shipman | 1 | Daughter | — | California |
| 95 | Fritz Bertoli | 59 | Head | Cabinet Maker | Switzerland |
| 96 | Marie Bertoli | 59 | Wife | — | Germany |
| 97 | Meyer Schrappe | 33 | Head | Merchant | Russia |
| 98 | Theresa Schrappe | 27 | Wife | — | Russian |
| 99 | Kajia Schrappe | 7 | Daughter | — | California |
| 100 | Jack Schrappe | 2 | Son | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)