EC
Edward Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Edward Clark across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Edmund & William — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Clark |
| Given Name | Edward J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Police Officer |
| Industry | City Govt. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2400 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Police Officer |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1908 |
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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Donelle Clark | Daughter | — | 5 | ~1935 |
| Dorianne Clark | Daughter | — | 3 | ~1937 |
| Edward Clark | Head | — | 32 | ~1908 |
| Alice Thompson | Other | — | 19 | ~1921 |
| Helen Clark | Spouse | — | 29 | ~1911 |
Census Appearances
1910
San Francisco, …
Son, age 2
San Francisco, California · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Edward J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 12
San Francisco, California · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Edmund |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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 22
San Francisco, California · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 32
San-Francisco-County, California · implied b. ~1908 — 5 household members
| Surname | Clark |
| Given Name | Edward J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Police Officer |
| Industry | City Govt. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2400 |
| Highest Grade | C 3 |
| 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 Edward Clark across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edmund Clark (~0.92 confidence) and father William Clark (~0.92 confidence) and mother Amelia Crenanzi (~0.92 confidence) and mother Virginia Clark (~0.92 confidence) and mother Amelia Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edmund Clark
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Clark
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Amelia Crenanzi
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Virginia Clark
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Amelia Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Clark
Head · 1940 · age 32 · b. ~1908 · 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-t0627-00321-00190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Sager | 60 | Head | Carpenter | Norway |
| 2 | Lena Sager | 62 | Wife | — | Norway |
| 3 | Dorothy Sager | 24 | Daughter | Own Worker | California |
| 4 | Arthur Sager | 22 | Son | Carpenter | California |
| 5 | Percy M Post | 61 | Head | Supt. Bldg. Maint. | Canada-Eng |
| 6 | Alice M Post | 65 | Wife | — | Cuba |
| 7 | Lewis M Post | 23 | Son | New Worker | Cuba |
| 8 | Louis Olsen | 38 | Head | Machinist | Arkansas |
| 9 | Caroline Olsen | 30 | Wife | — | California |
| 10 | Warren Holm | 24 | Bro-in-law | Cigar Store Mgr. | Illinois |
| 11 | Grace Holm | 18 | Sister | — | California |
| 12 | Julius B. Cohen | 58 | Head | Own Business | Alaska |
| 13 | Mildred Cohen | 52 | Wife | — | California |
| 14 | Shirley M Cohen | 20 | Daughter | — | California |
| 15 | Joseph Murphy | 53 | Head | Motorman | Ireland |
| 16 | Margaret Murphy | 56 | Wife | — | Ireland |
| 17 | Joseph Murphy | 26 | Son | Clerk | California |
| 18 | Margaret Murphy | 21 | Daughter | Stenographer | California |
| 19 | Lyman H Allan | 26 | Head | Accountant | Illinois |
| 20 | Sarah Allan | 22 | Wife | — | Mexico |
| 21 | Marlene Allan | 0 | Daughter | — | California |
| 22 | Fred Goodell | 57 | Head | Publicity | California |
| 23 | Pearl Goodell | 57 | Wife | — | California |
| 24 | Steve Becarich | 74 | Head | — | Yugoslavia |
| 25 | Luz Becarich | 74 | Wife | — | Mexico |
| 26 | Catherine Tanguay | 57 | Daughter | Saleswoman | California |
| 27 | William Tanguay | 11 | Son | — | California |
| 28 | George Doerner | 75 | Head | — | New Jersey |
| 29 | Hazel Doerner | 55 | Wife | — | California |
| 30 | Bertha Curtin | 55 | Head | — | Ireland |
| 31 | Loretta Dailey | 32 | Daughter | — | California |
| 32 | Margaret Curtin | 29 | Daughter | Secretary | California |
| 33 | Edward J. Clark THIS PERSON | 32 | Head | Police Officer | California |
| 34 | Helen Clark | 29 | Wife | — | Oregon |
| 35 | Donelle Clark | 5 | Daughter | — | California |
| 36 | Dorianne Clark | 3 | Daughter | — | California |
| 37 | Alice Thompson | 19 | Sister-in-law | Housekeeper | Minnesota |
| 38 | Louise Girard | 57 | Head | — | California |
| 39 | Joseph Girard | 29 | Son | Benchman | California |
| 40 | Louise Girard | 27 | Daughter | Stenographer | California |
Pedigree Summary
Edward
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)