WG
William Goodwin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Contra-Costa-County, California
Our Model Tree links this William Goodwin across the 1920, 1930 and 1940 US Censuses in Contra-Costa-County, California (XGBoost, ~Confirmed), with identified parents Ralph & Ralph — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Contra-Costa-County, California |
| Surname | Goodwin |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Richmond City |
| 1935 Residence (County) | Contra Costa |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Richmond City |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Goodwin | Son | — | 25 | ~1915 |
| Catherine Goodwin | Spouse | — | 56 | ~1884 |
| Ralph Goodwin | Head | — | 62 | ~1878 |
Census Appearances
1920
Contra Costa, …
Son, age 5
Contra Costa, California · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Goodwin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Mexico |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Contra Costa, …
Son, age 15
Contra Costa, California · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Goodwin |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Mexico |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Contra-Costa-County, California
Son, age 25
Contra-Costa-County, California · implied b. ~1915 — 3 household members
| Surname | Goodwin |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Richmond City |
| 1935 Residence (County) | Contra Costa |
| Income (1939) | 0 |
| Highest Grade | C 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 William Goodwin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Goodwin (~0.92 confidence) and father Ralph Goodwin (~0.92 confidence) and mother Katherine Goodwin (~0.92 confidence) and mother Catherine Goodwin (~0.92 confidence) and mother Catherine Goodwin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Goodwin
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ralph Goodwin
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Katherine Goodwin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Catherine Goodwin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Catherine Goodwin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Goodwin
Son · 1940 · age 25 · b. ~1915 · 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 — Contra-Costa-County, California
Open full size
1940 US Federal Census — Contra-Costa-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00198-00114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Craycroft | 61 | Head | Trainman | Illinois |
| 2 | Janet Craycroft | 51 | Wife | — | Illinois |
| 3 | John P. O'Rourke | 38 | Head | Mill Operator | Indiana |
| 4 | Olivette O'Rourke | 32 | Wife | — | California |
| 5 | Robert O'Rourke | 9 | Son | — | California |
| 6 | Peter A. Thomsen | 55 | Head | Proprietor | Denmark |
| 7 | Kristine Thomsen | 36 | Wife | — | Denmark |
| 8 | Hermit Thomsen | 11 | Son | — | California |
| 9 | Edwin Dennis | 49 | Head | Mail Carrier | California |
| 10 | Rose Dennis | 49 | Wife | — | Canada |
| 11 | Fred W. Arnold | 62 | Head | Locomotive Engin | Missouri |
| 12 | Anita Arnold | 51 | Wife | — | California |
| 13 | Charles Bennett | 37 | Lodger | Auditor | California |
| 14 | Blanch Patterson | 62 | Head | — | Illinois |
| 15 | Lee Anderson | 51 | Bro | Bootblack | Illinois |
| 16 | Arthur Jeffery | 25 | Lodger | Floor Sander | New York |
| 17 | John Waddingham | 58 | Head | Crane Operator | Mass |
| 18 | Nora Waddingham | 50 | Wife | — | Erie |
| 19 | Lillian Battle | 21 | Daughter | Seamstress | Mass |
| 20 | Catherine Clancey | 75 | Head | — | Erie |
| 21 | Thomas Levery | 72 | Lodger | — | Missouri |
| 22 | Otto D. Bachman | 61 | Head | — | Switzerland |
| 23 | Edward Hernandez | 43 | Head | Moulder | Mexico |
| 24 | Lucy Hernandez | 39 | Wife | — | Texas |
| 25 | Valentine Ramirez | 40 | Head | Janitor | Mexico |
| 26 | Damiana Ramirez | 39 | Wife | — | Mexico |
| 27 | Lupe Ramirez | 15 | Son | Delivery Boy | California |
| 28 | John Ramirez | 13 | Son | — | California |
| 29 | Lily Ramirez | 10 | Daughter | — | California |
| 30 | Lorea Ramirez | 8 | Daughter | — | California |
| 31 | Tony Ramirez | 2 | Son | — | California |
| 32 | Carl G. Crocker | 22 | Head | Enameler | Kansas |
| 33 | Elsie Crocker | 19 | Wife | — | California |
| 34 | Ralph L. Goodwin | 62 | Head | Carpenter | Penn |
| 35 | Catherine Goodwin | 56 | Wife | — | New Mexico |
| 36 | William R. Goodwin THIS PERSON | 25 | Son | — | California |
| 37 | Ernest R. Clarke | 67 | Head | Night Watchman | Mass |
| 38 | Katherine Clarke | 65 | Wife | — | Maine |
| 39 | Gladys Ackerman | 42 | Head | Practical Nurse | California |
| 40 | Eldon M. Ackerman | 21 | Son | Auto Mechanic | California |
Pedigree Summary
William
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)