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Harry Ross — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Ohio
Our Model Tree links this Harry Ross across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed), with identified parents Mary & Mrs — first a son (b.~1919), then head of a 2-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Ohio |
| Surname | Ross |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Steubenville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Catcher |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1570 |
| Highest Grade | No 11 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Catcher |
| Township / Ward | Steubenville City |
| Est. Birth Year | ~1919 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mary Ross | Head | — | 51 | ~1889 |
| Harry Ross | Son | — | 21 | ~1919 |
Census Appearances
1920
Jefferson, Ohio
Son, age 1
Jefferson, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Speaks English | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Jefferson, Ohio
Son, age 11
Jefferson, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jefferson-County, Ohio
Son, age 21
Jefferson-County, Ohio · implied b. ~1919 — 2 household members
| Surname | Ross |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Steubenville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Catcher |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1570 |
| Highest Grade | No 11 |
| 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 Harry Ross across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Ross (~0.92 confidence) and mother Mrs Ross (~0.92 confidence) and mother Mary Ross (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Ross
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mrs Ross
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary Ross
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Ross
Son · 1940 · age 21 · b. ~1919 · 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 — Jefferson-County, Ohio
Open full size
1940 US Federal Census — Jefferson-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03091-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Alferinta | 58 | Head | Road Laborer | Italy |
| 2 | Mary Alferinta | 47 | Wife | — | Italy |
| 3 | Joseph Alferinta | 26 | Son | Laborer | Pennsylvania |
| 4 | Raymond Alferinta | 11 | Son | Fireman | Ohio |
| 5 | Arthur Michaels | 36 | Head | — | Ohio |
| 6 | Bertha Michaels | 32 | Wife | — | West Virginia |
| 7 | Judith S. Michaels | 2 | Daughter | — | Ohio |
| 8 | Mary Ross | 51 | Head | — | West Virginia |
| 9 | Harry Ross THIS PERSON | 21 | Son | Catcher | Ohio |
| 10 | Michael Sprague | 72 | Head | Store Keeper | Pennsylvania |
| 11 | Margaret Sprague | 69 | Wife | — | Ohio |
| 12 | Herbert Richards | 40 | Lodger | Mill Foreman | West Virginia |
| 13 | Ethel Richards | 39 | Daughter | Secretary | Ohio |
| 14 | Renee Provincie | 36 | Head | — | France |
| 15 | George Provincie | 20 | Son | Laborer | Pennsylvania |
| 16 | Raymond Provincie | 19 | Son | Laborer | France |
| 17 | Marielle Provincie | 15 | Daughter | — | France |
| 18 | Simone Provincie | 11 | Daughter | — | West Virginia |
| 19 | Norma J. Provincie | 9 | Daughter | — | West Virginia |
| 20 | Kenneth Provincie | 7 | Son | — | West Virginia |
| 21 | Charles T. Clark | 57 | Head | Shearman | Kentucky |
| 22 | Minnie Clark | 55 | Wife | — | Ohio |
| 23 | Glen Phillips | 26 | Son-in-law | Inspector | Ohio |
| 24 | Elsie Phillips | 28 | Daughter | Beauty Operator | Ohio |
| 25 | Peggy Phillips | 5 | Granddaughter | — | Ohio |
| 26 | John Clark | 58 | Brother | Salesman | Kentucky |
| 27 | Tony Dalfonso | 41 | Head | Rigger | Italy |
| 28 | Mary Dalfonso | 32 | Wife | — | Pennsylvania |
| 29 | Raymond Dalfonso | 10 | Son | — | Ohio |
| 30 | David Dalfonso | 4 | Son | — | Ohio |
| 31 | Lora Dalfonso | 1 | Daughter | — | Ohio |
| 32 | John Kenny | 36 | Head | Laborer | Ohio |
| 33 | Mary Kenny | 27 | Wife | — | Pennsylvania |
| 34 | Lydia Kenny | 1 | Daughter | — | Ohio |
| 35 | Dony Innocenzi | 43 | Head | Rigger | Italy |
| 36 | Pasquina Innocenzi | 35 | Wife | — | Italy |
| 37 | Lydia Innocenzi | 12 | Daughter | — | Italy |
| 38 | Hugo Innocenzi | 9 | Son | — | Italy |
| 39 | Michie Innocenzi | 3 | Daughter | — | Ohio |
| 40 | Antonio Nolantonio | 49 | Lodger | Repairman | Italy |
Pedigree Summary
Harry
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)