JP
John Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this John Parker across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents James & Mary — first a head (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Parker |
| Given Name | John Wesley |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Berkeley City |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Attorney at Law |
| Industry | Law Firm |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Attorney At Law |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1894 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patricia Parker | Daughter | — | 15 | ~1925 |
| John Parker | Head | — | 46 | ~1894 |
| John Parker | Son | — | 12 | ~1928 |
| Mildred Parker | Spouse | — | 42 | ~1898 |
Census Appearances
1900
San Francisco, …
Son, age 7
San Francisco, California · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Birth Month | Apr |
| Birth Year | 1893 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1910
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Law student |
| Industry | Law office |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
San Francisco, …
Son, age 26
San Francisco, California · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Attorney |
| Industry | General State |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Alameda, California
Head, age 36
Alameda, California · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 30 |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Lawyer |
| Industry | Law office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 14000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Alameda-County, California
Head, age 46
Alameda-County, California · implied b. ~1894 — 4 household members
| Surname | Parker |
| Given Name | John Wesley |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Berkeley City |
| 1935 Residence (County) | Alameda |
| Occupation | Attorney at Law |
| Industry | Law Firm |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 John Parker across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father James Parker (~0.92 confidence) and mother Mary Parker (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Parker
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Parker
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Parker
Head · 1940 · age 46 · b. ~1894 · 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00190-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lois Linsley | 20 | Daughter | Student | Pennsylvania |
| 42 | Phyllis Linsley | 16 | Daughter | Student | California |
| 43 | Nelson B. Hanson | 40 | Head | Manager | Minnesota |
| 44 | Evelyn J. Hanson | 38 | Wife | — | Minnesota |
| 45 | Sonja J. Hanson | 10 | Daughter | — | Minnesota |
| 46 | David A. Hanson | 8 | Son | — | Minnesota |
| 47 | Robert J. Hanson | 5 | Son | — | Minnesota |
| 48 | Donald W. Hanson | 4 | Son | — | Minnesota |
| 49 | Ng Yee | 50 | Servant | Cook | China |
| 50 | Gim Ging | 19 | Servant | House Boy | China |
| 51 | Frank C. Langlois | 45 | Head | Salesman | California |
| 52 | Clara A. Langlois | 42 | Wife | — | California |
| 53 | Edward G. Langlois | 15 | Son | Student | California |
| 54 | Carol M. Langlois | 11 | Daughter | — | California |
| 55 | Arthur C. Homer | 50 | Head | Broker | New Jersey |
| 56 | Esther S. Homer | 49 | Wife | — | California |
| 57 | Robert P. Homer | 23 | Son | Student | California |
| 58 | Dorothy J. Homer | 19 | Daughter | Student | California |
| 59 | Alice B. S. Thomas | 30 | Head | Housekeeper | Maryland |
| 60 | John Barr Tompkins | 33 | Son | Research Man | Indiana |
| 61 | Carroll A. Rockstroh | 52 | Head | Merchant | Missouri |
| 62 | Evelyn W. Rockstroh | 50 | Wife | — | California |
| 63 | Robert W. Rockstroh | 26 | Son | Manager | California |
| 64 | Victor M. Cassidy | 54 | Head | Vice President | Wisconsin |
| 65 | Lois W. Cassidy | 47 | Wife | — | California |
| 66 | — | None | — | — | — |
| 67 | Frank Streit | 45 | Head | Salesman | Indiana |
| 68 | Tryphosa Streit | 49 | Wife | Homemaker | Georgia |
| 69 | Kenneth Streit | 20 | Son | Student | California |
| 70 | Marjorie E. Streit | 14 | Daughter | Student | California |
| 71 | John Wesley Parker THIS PERSON | 46 | Head | Attorney At Law | Washington |
| 72 | Mildred R. Parker | 42 | Wife | Housekeeping | Wisconsin |
| 73 | Patricia J. Parker | 15 | Daughter | Student | California |
| 74 | John W. Parker | 12 | Son | — | California |
| 75 | P. Orman Ray | 64 | Head | Professor | Vermont |
| 76 | Florence W. Ray | 59 | Wife | House Mother | Vermont |
| 77 | Joyzelle F. Ray | 26 | Daughter | Teacher | Vermont |
| 78 | Magda Ferlin | 59 | Head | Housewife | Wisconsin |
| 79 | Elizabeth M. Polin | 22 | Niece | Student | California |
Pedigree Summary
John
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)