MD
Mary Dougherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Mary Dougherty across the 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Dougherty |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dougherty | Daughter | — | 11 | ~1929 |
| Hester Dougherty | Daughter | — | 18 | ~1922 |
| Martha Dougherty | Daughter | — | 8 | ~1932 |
| Georgia Dougherty | Daughter | — | 12 | ~1928 |
| Abraham Jacobs | Head | — | 62 | ~1878 |
| R Dougherty | Son | — | 20 | ~1920 |
| Eugene Dougherty | Son | — | 13 | ~1927 |
| Lile Dougherty | Son | — | 15 | ~1925 |
| Mary Jacobs | Spouse | — | 57 | ~1883 |
Census Appearances
1930
San Francisco, …
Daughter, age 1
San Francisco, California · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 11
San-Francisco-County, California · implied b. ~1929 — 9 household members
| Surname | Dougherty |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 Dougherty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dougherty
Daughter · 1940 · age 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Georgia Dougherty
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hester Dougherty
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Dougherty
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
R Dougherty
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Dougherty
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lile Dougherty
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00309-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Flora Williams | 18 | Daughter | — | California |
| 2 | Bernard A Brown | 57 | Head | Switch Engineer | California |
| 3 | Jean H Brown | 53 | Wife | — | California |
| 4 | Ernest Harris | 35 | Head | Longshoreman | England |
| 5 | Irene Harris | 33 | Wife | — | California |
| 6 | Alice Adams | 10 | Boarder | — | California |
| 7 | Betty Lou Adams | 9 | Boarder | — | California |
| 8 | Eleanor Sorda | 5 | Boarder | — | California |
| 9 | Phillip R Harris | 30 | Head | Longshoreman | California |
| 10 | Mary J Harris | 29 | Wife | — | Missouri |
| 11 | Abraham R Jacobs | 62 | Head | Customs Clerk | California |
| 12 | Mary D Jacobs | 57 | Wife | — | California |
| 13 | R J Dougherty | 20 | Son | Ins. Salesman | California |
| 14 | Hester A Dougherty | 18 | Daughter | — | California |
| 15 | Georgia P Dougherty | 12 | Daughter | — | California |
| 16 | Lile J Dougherty | 15 | Son | — | California |
| 17 | Eugene E Dougherty | 13 | Son | — | California |
| 18 | Mary A Dougherty THIS PERSON | 11 | Daughter | — | California |
| 19 | Martha Dougherty | 8 | Daughter | — | California |
| 20 | Annie E De Soto | 51 | Head | Hand Ironer | New York |
| 21 | Catherine Eckardt | 86 | Mother | — | Germany |
| 22 | John F Cantrell | 51 | Lodger | — | California |
| 23 | Frank Bologna | 36 | Head | Fishman | California |
| 24 | Providence Bologna | 29 | Wife | — | California |
| 25 | Leonard Bologna | 10 | Son | — | California |
| 26 | Dominic Balistreri | 50 | Uncle | — | Italy |
| 27 | Charles P Enace | 52 | Head | Manager | California |
| 28 | Cecil O Enace | 49 | Wife | — | Iowa |
| 29 | Evelyn Enace | 19 | Daughter | Stenographer | California |
| 30 | Betty Jean Enace | 9 | Daughter | — | California |
| 31 | James P Mchugh | 35 | Head | Teamster | California |
| 32 | Erna Mchugh | 33 | Wife | Saleslady | California |
| 33 | Bernadette Mchugh | 15 | Daughter | — | California |
| 35 | Guido Arrighi | 36 | Head | Plumber | California |
| 36 | Rena Arrighi | 36 | Wife | — | California |
| 37 | Barbara Arrighi | 13 | Daughter | — | California |
| 38 | Richard Arrighi | 10 | Son | — | California |
| 39 | Edward P Flaherty | 42 | Head | Salesman | California |
| 40 | Lillian Flaherty | 37 | Wife | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)