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Harry Walker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Harry Walker across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 5-person household.
Age 61
b. ~1879
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Walker |
| Given Name | Harry S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Electrician |
| Industry | Municipal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 314 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Electrician |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1879 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Catherine Enslow | Daughter | — | 19 | ~1921 |
| Harry Walker | Head | — | 61 | ~1879 |
| Lawrence Enslow | Other | — | 22 | ~1918 |
| Kenneth Walker | Son | — | 21 | ~1919 |
| Bessie Walker | Spouse | — | 53 | ~1887 |
Census Appearances
1920
San Francisco, …
Head, age 40
San Francisco, California · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Harry S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Electrician |
| Industry | Water Main |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
San Francisco, …
Head, age 50
San Francisco, California · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Harry S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Electrician |
| Industry | Power Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
San-Francisco-County, California
Head, age 61
San-Francisco-County, California · implied b. ~1879 — 5 household members
| Surname | Walker |
| Given Name | Harry S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Electrician |
| Industry | Municipal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 314 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Harry Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Walker
Head · 1940 · age 61 · b. ~1879 · 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-t0627-00312-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Madaline H Buttenbach | 43 | Wife | — | Rhode Island |
| 2 | Barbara Buttenbach | 14 | Daughter | — | California |
| 3 | Abraham Levitt | 62 | Head | Salesman | Russia |
| 4 | Annie Levitt | 54 | Wife | — | Russia |
| 5 | Bertie Levitt | 32 | Daughter | Typist-Sorter | California |
| 6 | Rose Levitt | 27 | Daughter | — | California |
| 7 | Walter V Rock | 60 | Head | Plumber | California |
| 8 | Marguerite Rock | 58 | Wife | — | Pennsylvania |
| 9 | Bertha M Rock | 61 | Sister | — | California |
| 10 | Harry S Walker THIS PERSON | 61 | Head | Electrician | Pennsylvania |
| 11 | Bessie R Walker | 53 | Wife | — | Pennsylvania |
| 12 | Kenneth Walker | 21 | Son | Checker | California |
| 13 | Catherine Enslow | 19 | Daughter | — | California |
| 14 | Lawrence Enslow | 22 | Son-in-law | Salesman | California |
| 15 | Erle V Demange | 50 | Head | Postal-Clerk | California |
| 16 | Elizabeth Demange | 53 | Wife | — | New Zealand |
| 17 | Annie Fiske | 46 | Sister | Practical Nurse | California |
| 18 | Lorenzo Calderon | 69 | Head | Elevator Operator | Mexico |
| 19 | Maria Calderon | 66 | Wife | — | Mexico |
| 20 | Carmen Calderon | 40 | Daughter | Seamstress | Mexico |
| 21 | Beatrice Calderon | 37 | Daughter | Saleswoman | Mexico |
| 22 | Pauline S Behrendt | 48 | Head | — | Poland |
| 23 | Samuel Behrendt | 32 | Brother | Salesman | Poland |
| 24 | Emil A Adams | 36 | Head | Office Manager | Massachusetts |
| 25 | Aurelia Adams | 39 | Wife | Saleswoman | Hungary |
| 26 | Gloria Adams | 11 | Daughter | — | California |
| 27 | Richard S Boyle | 43 | Head | Janitor | California |
| 28 | John W Boyle | 54 | Brother | Janitor | California |
| 29 | William Conklin | 36 | Head | Specializer | California |
| 30 | Ronyella Conklin | 35 | Wife | — | Washington |
| 31 | Carol Conklin | 5 | Daughter | — | California |
| 32 | William Conklin | 4 | Son | — | California |
| 33 | Martin J O'Toorney | 57 | Head | Grocery-Clerk | Eire |
| 34 | Birdie O'Toorney | 52 | Wife | — | Eire |
| 35 | Margaret O'Toorney | 29 | Daughter | Grocery-Clerk | California |
| 36 | James O'Toorney | 24 | Son | Typist Clerk | California |
| 37 | John O'Toorney | 21 | Son | — | California |
| 38 | Dolores O'Toorney | 16 | Daughter | — | California |
| 39 | Geraldine O'Toorney | 13 | Daughter | — | California |
| 40 | Claire O'Toorney | 10 | Daughter | — | 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)