CG
Charles Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Mateo-County, California
Our Model Tree links this Charles Gallagher across the 1920, 1930 and 1940 US Censuses in San-Mateo-County, California (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Mateo-County, California |
| Surname | Gallagher |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Helper |
| Industry | Ship yards |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Helper |
| Township / Ward | Daly City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Katherine Gallagher | Spouse | — | 53 | ~1887 |
| Charles Gallagher | Son | — | 23 | ~1917 |
| Charles Gallagher | Head | — | 58 | ~1882 |
| Florence Gallagher | Daughter | — | 20 | ~1920 |
Census Appearances
1920
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Charles M Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 12
San Francisco, California · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | Charles M Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Mateo-County, California
Son, age 23
San-Mateo-County, California · implied b. ~1917 — 4 household members
| Surname | Gallagher |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Helper |
| Industry | Ship yards |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | California |
| 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 Charles Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Gallagher (~0.92 confidence) and father Charles Gallagher (~0.92 confidence) and father Charles Gallagher (~0.92 confidence) and mother Katherine Gallagher (~0.92 confidence) and mother Margaret Gallagher (~0.92 confidence) and mother Marguerite Gallagher (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Gallagher
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Gallagher
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Gallagher
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Katherine Gallagher
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Margaret Gallagher
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Marguerite Gallagher
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Gallagher
Son · 1940 · age 23 · b. ~1917 · California
★ You are viewing this record
Sibling
Florence Gallagher
Sibling · 1940 · age 20
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-Mateo-County, California
Open full size
1940 US Federal Census — San-Mateo-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00329-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Tony Alasandra | 29 | Son | Messenger | Italy |
| 2 | Pat Alasandra | 18 | Son | — | California |
| 3 | Rita Alasandra | 15 | Daughter | — | California |
| 4 | John Sanchez | 38 | Head | Mechanic | Spain |
| 5 | Carmen Sanchez | 31 | Wife | — | Hawaii |
| 6 | Carmen Sanchez | 11 | Daughter | — | California |
| 7 | John R. Sanchez | 5 | Son | — | California |
| 8 | Alclara Sanchez | 4 | Daughter | — | California |
| 9 | Daniel Sanchez | 1 | Son | — | California |
| 10 | Katherine Regan | 66 | Head | — | Irish Free State |
| 11 | Anna Regan | 29 | Daughter | Ice Cream Maker | California |
| 12 | Herbert Stewart | 31 | Head | Clerk | Missouri |
| 13 | Mary Stewart | 29 | Wife | — | Iowa |
| 14 | Herb Stewart | 4 | Son | — | California |
| 15 | Marie Stewart | 2 | Daughter | — | California |
| 16 | Joe P. Cruz | 41 | Head | Laborer | Guam |
| 17 | Irene Cruz | 40 | Wife | — | Mexico |
| 18 | Hattie Elder | 38 | Head | P.B.X. Operator | California |
| 19 | William Elder | 21 | Son | Clerk | California |
| 20 | Luke Gaga | 42 | Head | Truck Driver | California |
| 21 | Sibyl Gaga | 38 | Wife | — | California |
| 22 | Barbara Gaga | 11 | Daughter | — | California |
| 23 | Shirley Gaga | 9 | Daughter | — | California |
| 24 | Arthur Church | 26 | Head | Machinist | Colorado |
| 25 | Hermine Church | 25 | Wife | — | California |
| 26 | Robert Church | 3 | Son | — | California |
| 27 | Richard Church | 1 | Son | — | California |
| 28 | Carlo Mazzucco | 40 | Head | Cement Work | Italy |
| 29 | Mary Mazzucco | 38 | Wife | — | Italy |
| 30 | Mae Doyle | 42 | Head | — | California |
| 31 | John T. Doyle | 19 | Son | Register | California |
| 32 | Henry Bernda | 30 | Head | Repair Man | Switzerland |
| 33 | Evelyn Bernda | 22 | Wife | — | California |
| 34 | Jessie Stanley | 68 | Head | — | Illinois |
| 35 | Elizabeth Stanley | 70 | Wife | — | Pennsylvania |
| 36 | Charles Gallagher | 58 | Head | Burner | New Jersey |
| 37 | Katherine Gallagher | 53 | Wife | — | California |
| 38 | Charles Gallagher THIS PERSON | 23 | Son | Helper | California |
| 39 | Florence Gallagher | 20 | Daughter | — | California |
| 40 | Henry Bullo | 39 | Head | Teamster | California |
Pedigree Summary
Charles + 1 sibling
Gen 1 · 6 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)