HG
Harry Graham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trumbull-County, Ohio
Our Model Tree links this Harry Graham across the 1920, 1930 and 1940 US Censuses in Trumbull-County, Ohio (XGBoost, ~Confirmed), with identified parents Robert & Valentine — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Trumbull-County, Ohio |
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Niles city |
| 1935 Residence (County) | Trumbull |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Street Proj |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 570 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Niles City |
| Est. Birth Year | ~1916 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Graham | Son | — | 24 | ~1916 |
| Martha Graham | Daughter | — | 18 | ~1922 |
| Ruth Graham | Daughter | — | 21 | ~1919 |
| Robert Graham | Head | — | 27 | ~1913 |
| Valerie Graham | Daughter | — | 11 | ~1929 |
Census Appearances
1920
Trumbull, Ohio
Son, age 3
Trumbull, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Trumbull, Ohio
Son, age 14
Trumbull, Ohio · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Trumbull-County, Ohio
Son, age 24
Trumbull-County, Ohio · implied b. ~1916 — 5 household members
| Surname | Graham |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Niles city |
| 1935 Residence (County) | Trumbull |
| Occupation | Laborer |
| Industry | W.P.A. Street Proj |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 570 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Graham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Graham (~0.60 confidence) and father Valentine Graham (~0.92 confidence) and father William Graham (~0.92 confidence) and father Valentine Graham (~0.54 confidence) and father Valentine Graham (~0.54 confidence) and mother Alice Graham (~0.54 confidence) and mother Alice Graham (~0.92 confidence) and mother Mable Graham (~0.92 confidence). The pedigree spans 2 generations with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.74
Father
Robert Graham
b. ~1913
Source father
● Household
· direct · ~0.6
Father
Valentine Graham
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Graham
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Valentine Graham
b. ~1886
Source father>father
● Household
· direct · ~0.54
Father
Valentine Graham
b. ~1883
Source father>father
● Household
· direct · ~0.54
Mother
Alice Graham
b. ~1891
Source father>mother
● Household
· direct · ~0.54
Mother
Alice Graham
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mable Graham
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Graham
Son · 1940 · age 24 · b. ~1916 · Ohio
★ You are viewing this record
Sibling
Valerie Graham
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Graham
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Graham
Sibling · 1940 · age 18
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 — Trumbull-County, Ohio
Open full size
1940 US Federal Census — Trumbull-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03159-00466)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Graham | 27 | Head | Laborer | Ohio |
| 2 | Harry Graham THIS PERSON | 24 | Son | Laborer | Ohio |
| 3 | Ruth (A) Graham | 21 | Daughter | Inspector | Ohio |
| 4 | Martha Graham | 18 | Daughter | New Worker | Ohio |
| 5 | Valerie Graham | 11 | Daughter | — | Ohio |
| 6 | William Nicholson | 41 | Head | Laborer-Wheeler | Pennsylvania |
| 7 | Catherine Nicholson | 31 | Wife | — | Pennsylvania |
| 8 | Alice Nicholson | 14 | Daughter | — | Ohio |
| 9 | Thomas Nicholson | 4 | Son | — | Ohio |
| 10 | Josephine (A) Cain | 66 | Head | — | West Virginia |
| 11 | George Tiriggi | 36 | Head | Laborer | Ohio |
| 12 | Marguerite (A) Tiriggi | 33 | Wife | — | Ohio |
| 13 | June Tiriggi | 9 | Daughter | — | Ohio |
| 14 | Dorita Tiriggi | 3 | Daughter | — | Ohio |
| 15 | Raymond Tiriggi | 1 | Son | — | Ohio |
| 16 | Gertrude (A) Brewer | 59 | Head | Seamstress | New Jersey |
| 17 | Paul George Brewer | 18 | Son | — | Ohio |
| 18 | Oliver Oney | 36 | Head | Laborer | Kentucky |
| 19 | Edna (A) Oney | 34 | Wife | — | Kansas |
| 20 | Thelma Oney | 15 | Daughter | — | Ohio |
| 21 | Doris Oney | 10 | Daughter | — | Ohio |
| 22 | Marion Oney | 6 | Son | — | Ohio |
| 23 | Burt (A) Stoddard | 56 | Head | Laborer | Ohio |
| 24 | Mary Jane Stoddard | 54 | Wife | — | Ohio |
| 25 | Harvey Robison | 31 | Head | Truck Driver | Ohio |
| 26 | Elizabeth (A) Robison | 28 | Wife | — | Ohio |
| 27 | Barbara Jean Robison | 1 | Daughter | — | Ohio |
| 28 | Juanita Robison | 0 | Daughter | — | Ohio |
| 29 | Harold W. Williams | 42 | Head | Laborer | Ohio |
| 30 | Blanche (A) Williams | 37 | Wife | — | Ohio |
| 31 | Harold Williams | 18 | Son | Helper-Salesman | Ohio |
| 32 | Harlan Williams | 9 | Son | — | Ohio |
| 33 | Alvin (A) Mcgowan | 37 | Head | Fireman | Indiana |
| 34 | Phyllis Mcgowan | 34 | Wife | — | Ohio |
| 35 | John (A) Morrison | 23 | Head | Riveter | Ohio |
| 36 | Blanche Morrison | 23 | Wife | Clerk-Saleslady | Ohio |
| 37 | Paul H. (A) Griffiths | 29 | Head | Clerk-City | Ohio |
| 38 | Genevieve Griffiths | 25 | Wife | — | Pennsylvania |
| 39 | Glenn Griffiths | 0 | Son | — | Ohio |
| 40 | Charles M. Beatty | 50 | Father-in-law | Janitor | Pennsylvania |
Related Census Records
Pedigree Summary
Harry + 3 siblings
Gen 1 · 5 parents
~0.86
Gen 2 · 3 grandparents
~0.54
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)