HM
Helen Morgan — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Helen Morgan across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Herbert & Wilhelmina — first a daughter (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Morgan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | File Clerk |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 669 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | File Clerk |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1918 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Williamina Morgan | Spouse | — | 53 | ~1887 |
| Helen Morgan | Daughter | — | 22 | ~1918 |
| Herbert Morgan | Head | — | 53 | ~1887 |
Census Appearances
1920
San Francisco, …
Daughter, age 3
San Francisco, California · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Daughter, age 12
San Francisco, California · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Helen F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Daughter, age 22
San-Francisco-County, California · implied b. ~1918 — 3 household members
| Surname | Morgan |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | File Clerk |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 669 |
| Highest Grade | Hs 4 |
| 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 Helen Morgan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Morgan (~0.92 confidence) and mother Wilhelmina Morgan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Morgan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Wilhelmina Morgan
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Morgan
Daughter · 1940 · age 22 · b. ~1918 · 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-t0627-00316-00414)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam Shillaci | 45 | Head | Barber | Italy |
| 2 | Rose Shillaci | 39 | Wife | — | Italy |
| 3 | Walter Auman | 30 | Head | Scaleman | Washington |
| 4 | Alice H Auman | 23 | Wife | — | Washington |
| 5 | Joyce Auman | 0 | Daughter | — | California |
| 6 | Thelma Carlson | 51 | Head | — | Sweden |
| 7 | Velma Hohlen | 29 | Daughter | Restaurant | California |
| 8 | Carl Hohlen | 48 | Son-in-law | Bartender | Germany |
| 9 | Carol Hohlen | 2 | Granddaughter | — | California |
| 10 | Earl L Sparks | 40 | Head | Bartender | California |
| 11 | Dorothy Sparks | 37 | Wife | — | California |
| 12 | Roberta Sparks | 17 | Daughter | New Worker | California |
| 13 | Manuel Barrios | 41 | Head | Upholstering | Peru |
| 14 | Ines Barrios | 33 | Wife | Lingerie Finisher | Costa Rica |
| 15 | Madeline Barrios | 1 | Daughter | — | California |
| 16 | Harry Tobs | 43 | Head | Power Truck Driver | Pennsylvania |
| 17 | Elsa Tobs | 37 | Wife | — | England |
| 18 | Freda Bliss | 53 | Head | Music Teacher | Germany |
| 19 | Lucille Bliss | 24 | Daughter | Radio Actress | New York |
| 20 | Robert J Ilz | 25 | Head | Advertising Manager | California |
| 21 | Joy M Ilz | 21 | Wife | Bookkeeper | Utah |
| 22 | Mary C Craig | 60 | Mother-in-law | — | Scotland |
| 23 | Herbert Morgan | 53 | Head | Engineer Steam | Scotland |
| 24 | Williamina Morgan | 53 | Wife | — | Scotland |
| 25 | Helen Morgan THIS PERSON | 22 | Daughter | File Clerk | California |
| 26 | Albert H Collins | 36 | Head | Office Clerk | Colorado |
| 27 | Lillian Collins | 35 | Wife | — | California |
| 28 | Shirley Lee Collins | 15 | Daughter | — | California |
| 29 | Virginia Lee Collins | 0 | Daughter | — | California |
| 30 | Herbert Calkins | 28 | Head | Floor Finisher | Ohio |
| 31 | Wealthy Calkins | 25 | Wife | — | California |
| 32 | Elmer Calkins | 7 | Son | — | California |
| 33 | Harold Calkins | 4 | Son | — | California |
| 34 | Edna Wagner | 56 | Mother-in-law | — | Honolulu |
| 35 | William B. Johnson | 39 | Head | Grocery | West Virginia |
| 36 | Lena Johnson | 40 | Wife | — | West Virginia |
| 37 | William Johnson | 16 | Son | — | West Virginia |
| 38 | Cassie Burke | 58 | Head | — | California |
| 39 | Thos. S. Reilly | 79 | Lodger | — | California |
| 40 | William A. Horan | 57 | Head | Head Carrier | California |
Pedigree Summary
Helen
Gen 1 · 2 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)