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John Donohue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this John Donohue across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Watchman |
| Industry | State Harbor Com |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Watchman |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1881 |
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 |
|---|---|---|---|---|
| Mary Donohue | Spouse | — | 51 | ~1889 |
| John Donohue | Head | — | 59 | ~1881 |
| William Donohue | Son | — | 18 | ~1922 |
Census Appearances
1920
San Francisco, …
Other, age 43
San Francisco, California · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohoe |
| Given Name | John |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1896 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Merchant |
| Industry | Liquor |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
Head, age 53
San Francisco, California · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 28 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Watchman |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
San-Francisco-County, California
Head, age 59
San-Francisco-County, California · implied b. ~1881 — 3 household members
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Naturalization Status | Naturalized |
| Occupation | Watchman |
| Industry | State Harbor Com |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Donohue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Donohue
Head · 1940 · age 59 · b. ~1881 · 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-t0627-00302-00842)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Masters | 44 | Wife | — | Wisconsin |
| 2 | Thomas Masters | 6 | Son | — | California |
| 3 | Victor Masters | 3 | Son | — | California |
| 4 | William Masters | 14 | Son | — | California |
| 5 | Wm. J. Anderson | 45 | Head | Truck Driver | California |
| 6 | Janet Anderson | 42 | Wife | — | California |
| 7 | Gene Anderson | 23 | Son | New Worker | California |
| 8 | Theodora Anderson | 20 | Son | New Worker | California |
| 9 | Isabel Anderson | 19 | Daughter | — | California |
| 10 | Lorraine Anderson | 13 | Daughter | — | California |
| 11 | Ellen P. Blumer | 80 | Head | Pension | Massachusetts |
| 12 | Margaret A. Perry | 50 | Head | Laundress | Germany |
| 13 | — | None | — | — | — |
| 14 | John Donohue THIS PERSON | 59 | Head | Watchman | Ireland |
| 15 | Mary Donohue | 51 | Wife | — | Ireland |
| 16 | William Donohue | 18 | Son | — | California |
| 17 | Louis Williams | 56 | Head | Chef | Italy |
| 18 | Susan Williams | 55 | Wife | — | Hungary |
| 19 | Albert Bongongri | 32 | Son-in-law | Clerk | California |
| 20 | Edith Bongongri | 28 | Daughter | — | Canada |
| 21 | Ronald Bongongri | 3 | Grandson | — | California |
| 22 | Alex K. Klock | 49 | Head | Foreman | Russia |
| 23 | Mary Klock | 50 | Wife | — | Russia |
| 24 | John Klock | 23 | Son | Tel. Installer | California |
| 25 | Rudy Klock | 11 | Son | — | California |
| 26 | Edgar Frikey | 31 | Son-in-law | Longshoreman | Canada |
| 27 | Anna Frikey | 25 | Daughter | — | California |
| 28 | Robert H. Frikey | 35 | Lodger | Truck Driver | Canada |
| 29 | Jack De Luca | 44 | Head | Longshoreman | Italy |
| 30 | Antonio De Luca | 42 | Wife | — | Italy |
| 31 | Adelina De Luca | 18 | Daughter | — | California |
| 32 | Gloria De Luca | 14 | Daughter | — | California |
| 33 | Sarieri Micalef | 50 | Head | Tub-Maker | Malta |
| 34 | Amelia Micalef | 42 | Wife | — | Italy |
| 35 | Carmala Micalef | 22 | Daughter | Curtain Maker | California |
| 36 | Celestina Micalef | 21 | Daughter | Sales Girl | California |
| 37 | Angelo Micalef | 19 | Son | Florist | California |
| 38 | Theresa Micalef | 14 | Daughter | — | California |
| 39 | Joseph Vretina | 66 | Head | — | Italy |
| 40 | Lucia Vretina | 29 | Son | Cab-Driver | California |
Related Census Records
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)