JD
John Drake — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kern-County, California
Our Model Tree links this John Drake across the 1920, 1930 and 1940 US Censuses in Kern-County, California (XGBoost, ~Confirmed), with identified parents John & W — first a head (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kern-County, California |
| Surname | Drake |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | San Luis Obispo |
| 1935 Residence (County) | Kern |
| Additional Details | |
| Occupation | station gauger |
| Industry | pump station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1620 |
| Highest Grade | H-2 |
| 1935 Residence | California |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Station Gauger |
| Township / Ward | 13 |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Herbert Drake | Son | — | 5 | ~1935 |
| Hubert Drake | Son | — | 5 | ~1935 |
| Sue Drake | Daughter | — | 1 | ~1939 |
| Joe Drake | Son | — | 9 | ~1931 |
| Ramona Drake | Spouse | — | 31 | ~1909 |
| John Drake | Head | — | 30 | ~1910 |
Census Appearances
1920
Kern, California
Son, age 10
Kern, California · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Drake |
| Given Name | John W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Kern, California
Son, age 20
Kern, California · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Drake |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Texas |
| Occupation | Laborer |
| Industry | Petroleum Transportation |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Kern-County, California
Head, age 30
Kern-County, California · implied b. ~1910 — 6 household members
| Surname | Drake |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | San Luis Obispo |
| 1935 Residence (County) | Kern |
| Occupation | station gauger |
| Industry | pump station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1620 |
| Highest Grade | H-2 |
| 1935 Residence | California |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Drake across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Drake (~0.92 confidence) and father W Drake (~0.92 confidence) and mother Sara Drake (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Drake
b. ~1878
Source father
● Household
· direct · ~0.92
Father
W Drake
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Sara Drake
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Drake
Head · 1940 · age 30 · b. ~1910 · 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 — Kern-County, California
Open full size
1940 US Federal Census — Kern-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00215-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jesse Caster | 0 | Son | — | California |
| 42 | Cris Campos | 14 | Hired | — | Texas |
| 43 | Guiseppie Pardini | 55 | Head | Farmer | Italy |
| 44 | Anna Pardini | 51 | Wife | — | Italy |
| 45 | Grover D. Gauldin | 55 | Head | Pumper | Virginia |
| 46 | Elsie Gauldin | 38 | Wife | — | Missouri |
| 47 | Beecher Teague | 48 | Head | Watchman | Georgia |
| 48 | Lela Teague | 46 | Wife | — | Georgia |
| 49 | Beecher Jr. Teague | 16 | Son | — | Ohio |
| 50 | Betty Teague | 14 | Daughter | — | California |
| 51 | John D. Drake THIS PERSON | 30 | Head | Station Gauger | Oklahoma |
| 52 | Ramona R. Drake | 31 | Wife | — | Washington |
| 53 | Joe H. Drake | 9 | Son | — | California |
| 54 | Herbert A. Drake | 5 | Son | — | California |
| 55 | Hubert W. Drake | 5 | Son | — | California |
| 56 | Sue Ann Drake | 1 | Daughter | — | California |
| 57 | Irving Wright | 44 | Head | Station Gauger | California |
| 58 | Eleanor Wright | 42 | Wife | — | California |
| 59 | Ida Wright | 16 | Daughter | — | California |
| 60 | William Tomasini | 33 | Head | Fireman | California |
| 61 | Helen Tomasini | 31 | Wife | — | California |
| 62 | Ray R. Johnston | 33 | Head | Lease Foreman | Kentucky |
| 63 | Edna Johnston | 23 | Wife | Bookkeeper | Utah |
| 64 | Jesse Whitlock | 46 | Head | Stationary Engineer | Georgia |
| 65 | Jennie M. Whitlock | 40 | Wife | — | California |
| 66 | Glenora Whitlock | 15 | Daughter | — | California |
| 67 | Leon Whitlock | 14 | Son | — | California |
| 68 | Francis B. Beauchamp | 54 | Head | Stationary Engineer | Kentucky |
| 69 | Mary Beauchamp | 51 | Wife | — | Kentucky |
| 70 | David Longwill | 63 | Head | — | Kansas |
| 71 | Mae Longwill | 62 | Wife | — | California |
| 72 | Mae E. Smith | 19 | Daughter | Typist | California |
| 73 | Rylee Hickle | 47 | Head | Stationary Engineer | Kentucky |
| 74 | Stella Hickle | 37 | Wife | Cook | Vermont |
| 75 | Stanley Richards | 18 | Lodger | Janitor | Missouri |
| 76 | Harrison Carter | 57 | Head | Stationary Engineer | California |
| 77 | Alice Carter | 41 | Wife | — | California |
| 78 | Betty B. Carter | 17 | Daughter | — | California |
| 79 | Theola J. Carter | 15 | Daughter | — | California |
| 80 | Charles E. Carter | 8 | Son | — | California |
Pedigree Summary
John
Gen 1 · 3 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)