RL
Richard Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Richard Lewis across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Amos & Catherine — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Lewis |
| Given Name | Richard M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Mail carrier |
| Industry | Post office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Mail Carrier |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Elmer Lewis | Head | — | 58 | ~1882 |
| Margaret Mccarron | Other | — | 50 | ~1890 |
| Emeline Mccarron | Other | — | 54 | ~1886 |
| Gordon Lewis | Son | — | 21 | ~1919 |
| Richard Lewis | Son | — | 27 | ~1913 |
| Agnes Lewis | Spouse | — | 58 | ~1882 |
Census Appearances
1920
San Francisco, …
Son, age 7
San Francisco, California · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Richard W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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 27
San-Francisco-County, California · implied b. ~1913 — 6 household members
| Surname | Lewis |
| Given Name | Richard M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Mail carrier |
| Industry | Post office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | C 5 |
| 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 Richard Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Amos Lewis (~0.92 confidence) and mother Catherine Lewis (~0.92 confidence) and mother Agnes Lewis (~0.92 confidence) and father Elmer Lewis (~0.92 confidence) and mother Agnes Lewis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Amos Lewis
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Catherine Lewis
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Agnes Lewis
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Elmer Lewis
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Agnes Lewis
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Lewis
Son · 1940 · age 27 · b. ~1913 · California
★ You are viewing this record
Sibling
Gordon Lewis
Sibling · 1940 · age 21
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-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-t0627-00312-00176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Baugh | 32 | Wife | — | California |
| 2 | Barbara Baugh | 2 | Daughter | — | California |
| 3 | Lucille E Murdoch | 31 | Head | Telephone Operator | Nebraska |
| 4 | Robert W Miles | 26 | Head | Underwriter | Iowa |
| 5 | Josephine M Miles | 25 | Wife | — | California |
| 6 | Joseph Welch | 45 | Head | Safe Collector | California |
| 7 | John L Welch | 44 | Brother | Machinist | California |
| 8 | Raphael E Welch | 42 | Brother | Machinist | California |
| 9 | Elmer M Lewis | 58 | Head | Conductor | California |
| 10 | Agnes M Lewis | 58 | Wife | — | California |
| 11 | Richard M Lewis THIS PERSON | 27 | Son | Mail Carrier | California |
| 12 | Gordon M Lewis | 21 | Son | Copy-Boy | California |
| 13 | Margaret Mccarron | 50 | Mother-in-law | Telephone Operator | California |
| 14 | Emeline Mccarron | 54 | Sister-in-law | Dressmaker | California |
| 15 | Minnie L Kennard | 67 | Head | — | Missouri |
| 16 | Herman E Donaldson | 52 | Brother-in-law | Chef | Iowa |
| 17 | Homer G Forbes | 36 | Head | Bill-Collector | Missouri |
| 18 | Gertrude Forbes | 35 | Wife | — | California |
| 19 | Gloria Forbes | 15 | Daughter | — | California |
| 20 | Hallie H Hurd | 38 | Head | Pressman | Missouri |
| 21 | Cora Hurd | 38 | Wife | Secretary | Canada-English |
| 22 | Gordon Buss | 17 | Brother-in-law | — | Canada-English |
| 23 | Elizabeth Field | 64 | Head | — | Indiana |
| 24 | John D Murphy | 30 | Head | Typist Clerk | California |
| 25 | Agnes Murphy | 29 | Wife | — | California |
| 26 | Fred H Rathjen | 58 | Head | Grocery-Clerk | Germany |
| 27 | Gertrude A Rathjen | 58 | Wife | — | Vermont |
| 28 | Edward P Morse | 60 | Head | Investigator | Massachusetts |
| 29 | Evelyn B Morse | 57 | Wife | — | Canada-English |
| 30 | Louis Bacher | 37 | Head | Salesman | California |
| 31 | Lucille B Bacher | 36 | Wife | — | California |
| 32 | Hope S Bacher | 9 | Daughter | — | California |
| 33 | Catherine Sullivan | 68 | Head | — | California |
| 34 | Michael Sullivan | 77 | Brother | — | California |
| 35 | Mary Sullivan | 75 | Sister | — | California |
| 36 | Cecelia Sullivan | 73 | Sister | — | California |
| 37 | Francis Sullivan | 65 | Sister | — | California |
| 38 | Robert E Cunningham | 70 | Head | — | Indiana |
| 39 | Marie Cunningham | 63 | Wife | — | Italy |
| 40 | Donald H Donohue | 28 | Head | Auditor | California |
Pedigree Summary
Richard + 1 sibling
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)