DB
David Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this David Baker across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed), with identified parents Harvey & Mabel — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Baker |
| Given Name | David L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1560 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Springfield |
| Est. Birth Year | ~1911 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| David Baker | Head | — | 29 | ~1911 |
| Jack Baker | Son | — | 5 | ~1935 |
| Anne Baker | Spouse | — | 25 | ~1915 |
| Marcia Baker | Daughter | — | 3 | ~1937 |
Census Appearances
1920
Clark, Ohio
Son, age 9
Clark, Ohio · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | David L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Son, age 19
Clark, Ohio · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | David L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Attendant |
| Industry | Filling station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Head, age 29
Clark-County, Ohio · implied b. ~1911 — 4 household members
| Surname | Baker |
| Given Name | David L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1560 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 David Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harvey Baker (~0.92 confidence) and mother Mabel Baker (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey Baker
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Mabel Baker
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Baker
Head · 1940 · age 29 · b. ~1911 · Ohio
★ 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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03039-00524)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie H. Doyle | 35 | Head | — | Ohio |
| 2 | James V. James | 35 | Brother | Coal Dealer | Ohio |
| 3 | Martha Grigsby | 31 | Sister | — | Ohio |
| 4 | Mary Ann Grigsby | 0 | Niece | — | Ohio |
| 5 | Matthew Horan | 61 | Head | Music Teacher | Ohio |
| 6 | Ella B. Horan | 54 | Wife | — | Illinois |
| 7 | Edward Mclaughlin | 52 | Head | Grocer | Ohio |
| 8 | Margaret Mclaughlin | 47 | Wife | Grocer | Ohio |
| 9 | Mary E. Mclaughlin | 21 | Daughter | Clerk | Ohio |
| 10 | James E. Mclaughlin | 16 | Son | — | Ohio |
| 11 | Thomas N. Mclaughlin | 8 | Son | — | Ohio |
| 12 | Edward P. Mclaughlin | 7 | Son | — | Ohio |
| 13 | James M. Grier | 35 | Head | Salesman | Pennsylvania |
| 14 | Ruby B. Grier | 33 | Wife | — | Pennsylvania |
| 15 | Barbara L. Grier | 8 | Daughter | — | Pennsylvania |
| 16 | Robert J. Grier | 1 | Son | — | Ohio |
| 17 | Weldon Judy | 57 | Head | Salesmanager | W. Virginia |
| 18 | Addie L. Judy | 43 | Wife | — | West Virginia |
| 19 | Barbara L. Judy | 9 | Daughter | — | Ohio |
| 20 | Mary M. Mcgrue | 20 | Niece | Housework | West Virginia |
| 21 | Marion French | 51 | Head | — | Ohio |
| 22 | Frances E. French | 49 | Wife | — | Ohio |
| 23 | Betty H. French | 19 | Daughter | — | Ohio |
| 24 | S. Marianne French | 15 | Daughter | — | Ohio |
| 25 | Alva S. Canter | 27 | Head | Barber | Ohio |
| 26 | Gertrude E. Canter | 49 | Wife | — | Ohio |
| 27 | David L. Baker THIS PERSON | 29 | Head | Salesman | Ohio |
| 28 | Anne L. Baker | 25 | Wife | — | Ohio |
| 29 | Jack L. Baker | 5 | Son | — | Ohio |
| 30 | Marcia A. Baker | 3 | Daughter | — | Ohio |
| 31 | Harry L. O'Brien | 56 | Head | Musician | Ohio |
| 32 | Elizabeth D. O'Brien | 62 | Sister | — | Ohio |
| 33 | Margaret O'Brien | 60 | Sister | Saleslady | Ohio |
| 34 | Richard W. Morrow | 70 | Head | Watchman | Ohio |
| 35 | Nellie C. Morrow | 62 | Wife | — | Ohio |
| 36 | Paul F. Bloomhardt | 52 | Head | Professor | Pennsylvania |
| 37 | Marjorie S. Bloomhardt | 49 | Wife | — | Pennsylvania |
| 38 | Frederick B. Bloomhardt | 20 | Son | — | New Jersey |
| 39 | Dorothy G. Bloomhardt | 16 | Daughter | — | New York |
| 40 | — | None | — | — | — |
Pedigree Summary
David
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)