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Charles Long — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Charles Long across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents William & Jessica — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Long |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Additional Details | |
| Occupation | Warehouseman |
| Industry | Wholesale Stationery |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 1260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Warehouseman |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1919 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Long | Head | — | 47 | ~1893 |
| John Long | Son | — | 16 | ~1924 |
| Charles Long | Son | — | 21 | ~1919 |
Census Appearances
1920
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 21
San-Francisco-County, California · implied b. ~1919 — 3 household members
| Surname | Long |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | SAN FRANCISCO |
| 1935 Residence (County) | SAN FRANCISCO |
| Occupation | Warehouseman |
| Industry | Wholesale Stationery |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 1260 |
| Highest Grade | Hs 4 |
| 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 Charles Long across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Long (~0.92 confidence) and mother Jessica Long (~0.92 confidence) and mother Gertrude Long (~0.92 confidence) and mother Gertrude Long (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Long
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Jessica Long
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Long
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Long
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Long
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
John Long
Sibling · 1940 · age 16
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-t0627-00315-00498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Phillips | 54 | Head | Stevedore | Latvia |
| 2 | Martha Phillips | 49 | Wife | — | Latvia |
| 3 | Monte Button | 62 | Head | Salesman | Nevada |
| 4 | Katherine Button | 57 | Wife | — | Pennsylvania |
| 5 | Caasi Button | 27 | Daughter | Bookkeeper | California |
| 6 | Helen Stanton | 36 | Head | Nurse | California |
| 7 | Florence Stanton | 37 | Sister | Waitress | California |
| 8 | Richard F. Barry | 72 | Head | Guard | California |
| 9 | Catherine Barry | 65 | Wife | — | California |
| 10 | Chas. Schwartzberg | 57 | Head | Cloakmaker | Russia |
| 11 | Mabel G. Schwartzberg | 59 | Wife | — | Missouri |
| 12 | Sadie Maxfield | 60 | Sister-in-law | Seamstress | Missouri |
| 13 | Vance Maxfield | 20 | Son-in-law | Junior Draftsman | California |
| 14 | George J. Kern | 52 | Head | Banker | California |
| 15 | Tyra-Alice Kern | 47 | Wife | — | California |
| 16 | Doris Morgan | 22 | Niece | Secretary | California |
| 17 | Edna Morgan | 21 | Niece | — | Oregon |
| 18 | Lida Blackett | 46 | Maid | Servant | Utah |
| 19 | Alfred H. Allgoewer | 39 | Head | Furrier | Tahiti |
| 20 | Saida Z. Allgoewer | 39 | Wife | — | Pennsylvania |
| 21 | John Olsen | 29 | Head | Warehouseman | Pennsylvania |
| 22 | Matilda Olsen | 27 | Wife | — | Nebraska |
| 23 | Karla Olsen | 7 | Daughter | — | Minnesota |
| 24 | Julie Olsen | 1 | Daughter | — | California |
| 25 | Paulina P. King | 19 | Cousin | Stenographer | Illinois |
| 26 | John M. Khouri | 53 | Head | Groceryman | Syria |
| 27 | May Khouri | 40 | Wife | Grocery Woman | Syria |
| 28 | Evelyn Khouri | 22 | Daughter | Bookkeeper | California |
| 29 | Alice Khouri | 20 | Daughter | — | California |
| 30 | Venzilos Khouri | 18 | Son | — | California |
| 31 | Mary Khouri | 73 | Mother | — | Syria |
| 32 | Gertrude Long | 47 | Head | Social Welfare Worker | California |
| 33 | Charles M. Long THIS PERSON | 21 | Son | Warehouseman | California |
| 34 | John F. Long | 16 | Son | — | California |
| 35 | Case Kellogg | 29 | Head | Personnel Clerk | English |
| 36 | Helen Kellogg | 24 | Wife | Registered Nurse | Minnesota |
| 37 | Terence Maxwell | 40 | Head | Post Office Clerk | California |
| 38 | Theresa M. Maxwell | 49 | Wife | — | California |
| 39 | Jeanne Wahlheim | 24 | Daughter | Stenographer | California |
| 40 | Lawrence Kesler | 26 | Head | Bookkeeper | California |
Pedigree Summary
Charles + 1 sibling
Gen 1 · 4 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)