WJ
William Jennings — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ross-County, Ohio
Our Model Tree links this William Jennings across the 1920, 1930 and 1940 US Censuses in Ross-County, Ohio (XGBoost, ~Confirmed), with identified parents Alvin & Della — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ross-County, Ohio |
| Surname | Jennings |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield Township |
| 1935 Residence (County) | Ross |
| Additional Details | |
| Occupation | hand on winder |
| Industry | paper mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1245 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Hand On Winder |
| Township / Ward | Springfield Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Alvin Jennings | Head | — | 53 | ~1887 |
| Nellie Jennings | Daughter | — | 38 | ~1902 |
| Della Jennings | Spouse | — | 49 | ~1891 |
| William Jennings | Son | — | 30 | ~1910 |
Census Appearances
1920
Ross, Ohio
Son, age 10
Ross, Ohio · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Ross, Ohio
Son, age 20
Ross, Ohio · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | William S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | State Highway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ross-County, Ohio
Son, age 30
Ross-County, Ohio · implied b. ~1910 — 4 household members
| Surname | Jennings |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield Township |
| 1935 Residence (County) | Ross |
| Occupation | hand on winder |
| Industry | paper mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1245 |
| Highest Grade | No 8 |
| 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 William Jennings across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alvin Jennings (~0.92 confidence) and mother Della Jennings (~0.92 confidence) and mother Nellie Jennings (~0.92 confidence) and mother Lilla Jennings (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alvin Jennings
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Della Jennings
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Nellie Jennings
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Lilla Jennings
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Jennings
Son · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
Sibling
Nellie Jennings
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ross-County, Ohio
Open full size
1940 US Federal Census — Ross-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03138-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Chaffin | 35 | Head | Operator Of Trimmer Press | Kentucky |
| 42 | Grace M Chaffin | 33 | Wife | — | Ohio |
| 43 | Clyde P Chaffin | 17 | Son | New Worker | Ohio |
| 44 | Paul W Chaffin | 15 | Son | — | Ohio |
| 45 | Ruth E Chaffin | 11 | Daughter | — | Ohio |
| 46 | Rosemary Chaffin | 9 | Daughter | — | Ohio |
| 47 | Walter M Chaffin | 4 | Son | — | Ohio |
| 48 | Donna L Chaffin | 2 | Daughter | — | Ohio |
| 49 | John H Thomas | 45 | Head | Carman | Ohio |
| 50 | Verlie V Thomas | 43 | Wife | — | Ohio |
| 51 | Herbert W Thomas | 22 | Son | Committee | Ohio |
| 52 | Marcella C Thomas | 19 | Daughter | — | Ohio |
| 53 | Mildred B Thomas | 14 | Daughter | — | Ohio |
| 54 | Robert R Thomas | 12 | Son | — | Ohio |
| 55 | Donna J Thomas | 10 | Daughter | — | Ohio |
| 56 | Darrel D Mccoy | 30 | Head | Grain Layer | Ohio |
| 57 | Ruth Mccoy | 20 | Wife | — | Ohio |
| 58 | Dwight C Mccoy | 8 | Son | — | Ohio |
| 59 | Donald E Mccoy | 6 | Son | — | Ohio |
| 60 | Margaret A Mccoy | 3 | Daughter | — | Ohio |
| 61 | Clifford Holdren | 32 | Head | School Bus Driver | Ohio |
| 62 | Nellie G Holdren | 37 | Wife | — | Ohio |
| 63 | Glenn O Holdren | 17 | Son | Farm Laborer | Ohio |
| 64 | Donald L Holdren | 8 | Son | — | Ohio |
| 65 | Peecher Clarence E Holdren | 30 | Brother | Farm Laborer | Ohio |
| 66 | Robert S Osborn | 45 | Head | Farm Operator | Kentucky |
| 67 | Jessie M Osborn | 32 | Wife | — | Ohio |
| 68 | James S Osborn | 4 | Son | — | Ohio |
| 69 | Charles L Osborn | 3 | Son | — | Ohio |
| 70 | William Barnhart | 66 | Head | — | Ohio |
| 71 | Ella E Barnhart | 64 | Wife | — | Ohio |
| 72 | Robert B Hertenstein | 55 | Head | Farm Laborer | Missouri |
| 73 | Jay V Price | 64 | Head | Engineer | Ohio |
| 74 | Cora B Price | 47 | Wife | — | West Virginia |
| 75 | Clarence Hall | 18 | Hired Hand | Farm Laborer | West Virginia |
| 76 | Alvin O Jennings | 53 | Head | Day Laborer | Ohio |
| 77 | Della M Jennings | 49 | Wife | — | Ohio |
| 78 | William H Jennings THIS PERSON | 30 | Son | Hand On Winder | Ohio |
| 79 | Nellie A Jennings | 38 | Daughter | Vamper | Ohio |
| 80 | Victor Jr Tilton | 35 | Head | Logger | Ohio |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 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)