JG
Joseph Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Joseph Gallagher across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Joseph & Mary — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Gallagher |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Attorney |
| Industry | Law |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Attorney |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mary Gallagher | Other | — | 68 | ~1872 |
| Lois Gallagher | Daughter | — | 8 | ~1932 |
| Joseph Gallagher | Head | — | 34 | ~1906 |
Census Appearances
1920
San Francisco, …
Son, age 14
San Francisco, California · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Joseph B. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Student |
| Industry | School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Head, age 24
San Francisco, California · implied b. ~1906 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 23 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Clerk |
| Industry | Law |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 34
San-Francisco-County, California · implied b. ~1906 — 3 household members
| Surname | Gallagher |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Attorney |
| Industry | Law |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3000 |
| Highest Grade | Hs 4 |
| 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 Joseph Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Gallagher (~0.92 confidence) and mother Mary Gallagher (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Gallagher
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Gallagher
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Gallagher
Head · 1940 · age 34 · b. ~1906 · California
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-00308-00708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Beck | 24 | Head | Stevedore | California |
| 42 | Elina Beck | 24 | Wife | Housewife | Finland |
| 43 | William Johnson | 24 | Head | Driver | Sweden |
| 44 | Sylvia Johnson | 31 | Wife | Operator | Sweden |
| 45 | Hercelia Gomez | 50 | Head | Housewife | Guatemala |
| 46 | Harry Gomez | 19 | Son | Laborer | California |
| 47 | Steve Gomez | 15 | Son | — | California |
| 48 | Sydney Perelmulter | 44 | Head | Operator | Russia |
| 49 | Harriet Perelmulter | 40 | Wife | Housewife | Wisconsin |
| 50 | Joseph Gallagher THIS PERSON | 34 | Head | Attorney | California |
| 51 | Lois Gallagher | 8 | Daughter | — | California |
| 52 | Mary Gallagher | 68 | Mother | — | California |
| 53 | George Tritt | 39 | Head | Contractor | Idaho |
| 54 | George Tritt | 17 | Son | — | Ohio |
| 55 | Dorothy Tritt | 13 | Daughter | — | California |
| 56 | Dale Tritt | 15 | Son | — | California |
| 57 | Lillie Kepler | 64 | Head | — | Ohio |
| 58 | Myrtle Kepler | 29 | Daughter | Secretary | California |
| 59 | John Danner | 40 | Lodger | Mechanical | California |
| 60 | Florence Costello | 40 | Head | Machine Operator | California |
| 61 | Charles Dunn | 39 | Head | Radio Operator | New York City |
| 62 | Emma Dunn | 79 | Mother | — | England |
| 63 | Martha Aumann | 36 | Head | Worker | Sweden |
| 64 | Jackie Aumann | 11 | Son | — | California |
| 65 | Edward Murphy | 62 | Head | — | California |
| 66 | Mary Murphy | 57 | Wife | — | Michigan |
| 67 | Harold Meyers | 47 | Head | Scribbler | California |
| 68 | Madeline Meyers | 43 | Wife | — | California |
| 69 | Dorothy Meyers | 27 | Daughter | — | California |
| 70 | Frank Gileau | 22 | Head | Machinist Helper | California |
| 71 | Gladys Gileau | 21 | Wife | Housewife | California |
| 72 | Rolland Musante | 34 | Head | Carpenter | California |
| 73 | Theresa Musante | 24 | Wife | Housewife | Illinois |
| 74 | Marilyn Musante | 2 | Daughter | 0 | California |
| 75 | John Mc Cann | 58 | Head | Operator | California |
| 76 | Mary Mc Cann | 58 | Wife | Housewife | California |
| 77 | Mayme Lund | 60 | Head | — | Nevada |
| 78 | James Brennan | 52 | Brother | Clerk | Nevada |
| 79 | Jean Richert | 54 | Head | Dentist | France |
| 80 | Esther Richert | 47 | Wife | Housewife | California |
Pedigree Summary
Joseph
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 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)