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John Mcgovern — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this John Mcgovern across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Daniel & Thomas — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | McGovern |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Usher |
| Industry | Theatre |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 798 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Usher |
| Township / Ward | San Francisco City |
| Est. Birth Year | ~1912 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcgovern | Head | — | 60 | ~1880 |
| Mary Mcgovern | Spouse | — | 58 | ~1882 |
| John Mcgovern | Son | — | 28 | ~1912 |
Census Appearances
1920
San Francisco, …
Son, age 7
San Francisco, California · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGovern |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 18
San Francisco, California · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGovern |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 28
San-Francisco-County, California · implied b. ~1912 — 3 household members
| Surname | McGovern |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco City |
| 1935 Residence (County) | San Francisco |
| Occupation | Usher |
| Industry | Theatre |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 798 |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| 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 John Mcgovern across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Mcgovern (~0.92 confidence) and father Thomas Mcgovern (~0.92 confidence) and father Thomas Mcgovern (~0.92 confidence) and mother Mary Mcgovern (~0.92 confidence) and mother Mary Mcgovern (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Mcgovern
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Thomas Mcgovern
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Thomas Mcgovern
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Mary Mcgovern
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Mcgovern
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcgovern
Son · 1940 · age 28 · b. ~1912 · 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-t0627-00309-00493)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Rose Jourdan | 22 | Daughter | Dispatcher | Missouri |
| 2 | Lawrence Copinich | 63 | Head | Rigger | Italy |
| 3 | Margaret Copinich | 62 | Wife | — | Italy |
| 4 | Leo Copinich | 36 | Son | Butcher | Italy |
| 5 | Lawrence Copinich | 29 | Son | Janitor | Colorado |
| 6 | Beatrice Thorpe | 25 | Daughter | — | California |
| 7 | William Thorpe | 1 | Son | — | California |
| 8 | Mary K. Harmon | 64 | Head | — | Eire |
| 9 | Deborah Harmon | 39 | Daughter | General Clerk | California |
| 10 | James Harmon | 28 | Son | Salesman & Bookkeeper | Arizona |
| 11 | Patrick Cadigan | 50 | Head | Fireman | Eire |
| 12 | Agnes Cadigan | 45 | Wife | — | Eire |
| 13 | Frances Cadigan | 21 | Daughter | Stenographer | California |
| 14 | Emmett A. Cadigan | 19 | Son | Wiper | California |
| 15 | Patricia Cadigan | 14 | Daughter | — | California |
| 16 | Ann Cadigan | 6 | Daughter | — | California |
| 17 | Annie Morgensen | 58 | Head | — | Illinois |
| 18 | Henry Morgensen | 20 | Son | Sales Dept. | California |
| 19 | Alma Johnson | 16 | Niece | — | California |
| 20 | Nellie Maw | 65 | Head | — | Kansas |
| 21 | Tullio Ricciarelli | 60 | Head | Tailor | Italy |
| 22 | Charles Russ | 36 | Head | Shipping Clerk | Mexico |
| 23 | Helen Russ | 33 | Wife | — | California |
| 24 | Leroy Richard Russ | 7 | Son | — | California |
| 25 | Rita Helen Russ | 5 | Daughter | — | California |
| 26 | Isabell Vasquez | 75 | Foster Mother | — | Mexico |
| 27 | James J. Standish | 64 | Head | — | Canada-Quebec |
| 28 | Walter H. Atherly | 43 | Head | — | Massachusetts |
| 29 | Gertrude Atherly | 42 | Wife | Waitress | California |
| 30 | William Elder Barker | 33 | Head | Bank Guard | New Mexico |
| 31 | June Laverne Barker | 35 | Wife | Telephone Operator | Kansas |
| 32 | Willa Barker | 4 | Daughter | — | California |
| 33 | Charles Barker | 2 | Son | — | California |
| 34 | Kenneth G. Deas | 15 | Son | — | California |
| 35 | Ella M. Johnson | 60 | Head | — | Sweden |
| 36 | Beatrice Claire Johnson | 21 | Daughter | Statistician | California |
| 37 | Thomas E. Mcgovern | 60 | Head | Marine Machinist | California |
| 38 | Mary Mcgovern | 58 | Wife | — | California |
| 39 | John Mcgovern THIS PERSON | 28 | Son | Usher | California |
| 40 | Cecelia Read | 45 | Head | — | California |
Pedigree Summary
John
Gen 1 · 5 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)