NC
Nellie Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Nellie Clark across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Walter — first a spouse (b.~1904), then head of a 5-person household.
Age 36
b. ~1904
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Clark |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1904 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Patricia Clark | Daughter | — | 10 | ~1930 |
| Edna Clark | Daughter | — | 17 | ~1923 |
| Steven Clark | Head | — | 41 | ~1899 |
| Bernard Clark | Son | — | 12 | ~1928 |
| Nellie Clark | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Hamilton, Ohio
Daughter, age 17
Hamilton, Ohio · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Cook |
| Industry | Private family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Hamilton, Ohio
Other, age 27
Hamilton, Ohio · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Nellie |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Varnish Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hamilton-County, Ohio
Spouse, age 36
Hamilton-County, Ohio · implied b. ~1904 — 5 household members
| Surname | Clark |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Nellie Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Clark (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Clark
b. ~1871
Source father
● Household
· direct · ~0.92
This person
Anchor record
Nellie Clark
Spouse · 1940 · age 36 · b. ~1904 · 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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03198-00770)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margot Thomas | 25 | Wife | Spring Machine Op | Ohio |
| 2 | Shirley Anne Thomas | 5 | Daughter | — | Ohio |
| 3 | Lafie Brown | 52 | Head | V. P. Asst. Fore. | Ohio |
| 4 | Margaret Brown | 20 | Wife | — | Illinois |
| 5 | Alfred Steffan | 22 | Head | Wall Paper Cutter | Ohio |
| 6 | Myrtle Steffan | 21 | Wife | Loader | Ohio |
| 7 | Edward Madlock | 43 | Head | Truck Building | Kentucky |
| 8 | Nannie Madlock | 42 | Wife | — | Kentucky |
| 9 | Walter Madlock | 18 | Son | — | Kentucky |
| 10 | Edward Madlock | 16 | Son | — | Kentucky |
| 11 | Anthony Harkbauer | 52 | Head | Grinder | Kentucky |
| 12 | Clara Harkbauer | 47 | Wife | — | Kentucky |
| 13 | Anthony Jr. Harkbauer | 26 | Son | — | Kentucky |
| 14 | Jessie Harkbauer | 19 | Son | Oil Station Att. | Kentucky |
| 15 | Alfred Hauser | 45 | Head | Drill Press Op. | Kentucky |
| 16 | Marie Hauser | 39 | Wife | — | Kentucky |
| 17 | Leonard Spears | 44 | Lodger | Switchman | Kentucky |
| 18 | Robert Looper | 75 | Head | — | N. Carolina |
| 19 | Fannie Looper | 61 | Wife | — | Tennessee |
| 20 | Ralph Looper | 34 | Son | Sign Maker | Tennessee |
| 21 | Florine Looper | 29 | Daughter | Punch Press Op. | Tennessee |
| 22 | Howard Looper | 23 | Son | Sign Maker | Tennessee |
| 23 | Dorothy Looper | 10 | Grand daughter | — | Tennessee |
| 24 | Edward Sears | 45 | Lodger | Wood Finisher | Kentucky |
| 25 | Harry Wickham | 49 | Head | Re-Trimmer | Ohio |
| 26 | Pearl Wickham | 42 | Wife | — | Ohio |
| 27 | Lawrence Wickham | 17 | Son | New Worker | Ohio |
| 28 | Robert Quinn | 63 | Head | Boiler Fireman | Kentucky |
| 29 | Elizabeth Quinn | 38 | Wife | — | Kentucky |
| 30 | Jim Philpot | 53 | Head | — | Kentucky |
| 31 | Adarie Philpot | 50 | Wife | — | Kentucky |
| 32 | Birdie Philpot | 18 | Daughter | Meat Packer | Kentucky |
| 33 | Levis Philpot | 15 | Daughter | — | Kentucky |
| 34 | Jessie Philpot | 13 | Daughter | — | Kentucky |
| 35 | Ballard Philpot | 9 | Son | — | Kentucky |
| 36 | Steven Clark | 41 | Head | Press Op. | Pennsylvania |
| 37 | Nellie Clark THIS PERSON | 36 | Wife | — | Kentucky |
| 38 | Edna Clark | 17 | Daughter | — | Kentucky |
| 39 | Bernard Clark | 12 | Son | — | Kentucky |
| 40 | Patricia Clark | 10 | Daughter | — | Pennsylvania |
Pedigree Summary
Nellie
Gen 1 · 1 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)