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Robert Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Graham-County, Arizona
Our Model Tree links this Robert Griffin across the 1920, 1930 and 1940 US Censuses in Graham-County, Arizona (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Graham-County, Arizona |
| Surname | Griffin |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Safford |
| 1935 Residence (County) | Graham Co. |
| Additional Details | |
| Occupation | Ranchman |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Ariz. |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Ranchman |
| Est. Birth Year | ~1908 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Lucile Griffin | Spouse | — | 22 | ~1918 |
| Robert Griffin | Son | — | 5 | ~1935 |
| Sylvia Griffin | Daughter | — | 1 | ~1939 |
| Robert Griffin | Head | — | 32 | ~1908 |
| Harold Griffin | Son | — | 3 | ~1937 |
Census Appearances
1920
Graham, Arizona
Son, age 11
Graham, Arizona · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Graham, Arizona
Son, age 21
Graham, Arizona · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Robt |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Service Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Graham-County, Arizona
Head, age 32
Graham-County, Arizona · implied b. ~1908 — 5 household members
| Surname | Griffin |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Safford |
| 1935 Residence (County) | Graham Co. |
| Occupation | Ranchman |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Ariz. |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Robert Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Griffin (~0.92 confidence) and father Henry Griffin (~0.92 confidence) and mother Jane Griffin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Griffin
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Henry Griffin
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Jane Griffin
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Griffin
Head · 1940 · age 32 · b. ~1908 · Arizona
★ 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 — Graham-County, Arizona
Open full size
1940 US Federal Census — Graham-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00103-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Luque | 16 | Son | — | Arizona |
| 2 | Dwayne Luque | 11 | Son | — | Arizona |
| 3 | J. Leslie Christensen | 44 | Head | Const. Supt. | Arizona |
| 4 | Lola O. Christensen | 45 | Wife | — | New Mexico |
| 5 | Chris Christensen | 16 | Son | Rancher | Arizona |
| 6 | Alpharetta Christensen | 14 | Daughter | — | Arizona |
| 7 | Austin J. Christensen | 11 | Son | — | Arizona |
| 8 | Elna Christensen | 5 | Daughter | — | Arizona |
| 9 | Warren Lewis Pierson | 24 | Son-in-law | Mechanic | Utah |
| 10 | Helen Pierson | 19 | Wife | — | Arizona |
| 11 | Verna Pierson | 0 | Daughter | — | Arizona |
| 12 | M. N. Adams | 63 | Head | — | Tennessee |
| 13 | George H. Mccray | 55 | Head | Camp Supt. | Texas |
| 14 | Annie M. Mccray | 52 | Wife | — | Texas |
| 15 | Betty Mccray | 15 | Daughter | — | Arizona |
| 16 | Peggy Mccray | 11 | Daughter | — | Arizona |
| 17 | Wesley Mccray | 9 | Son | — | Arizona |
| 18 | Jacky Mccray | 7 | Son | — | Arizona |
| 19 | Raymond D. Frank | 32 | Head | Junior Eng. | New Mexico |
| 20 | Leona Frank | 26 | Wife | — | Texas |
| 21 | Robert E. Griffin THIS PERSON | 32 | Head | Ranchman | Texas |
| 22 | Lucile Griffin | 22 | Wife | — | Arizona |
| 23 | Robert E. Jr. Griffin | 5 | Son | — | Arizona |
| 24 | Harold Griffin | 3 | Son | — | Arizona |
| 25 | Sylvia Jane Griffin | 1 | Daughter | — | Arizona |
| 26 | H. P. Hatcher | 44 | Head | Mgr. | Texas |
| 27 | Enna Hatcher | 36 | Wife | Clerk | Texas |
| 28 | James Hatcher | 21 | Son | — | Texas |
| 29 | Floyd Hatcher | 15 | Son | — | Texas |
| 30 | Robert Hatcher | 12 | Son | — | Texas |
| 31 | Doris Hatcher | 9 | Daughter | — | Texas |
| 32 | Dan E. Angel | 75 | Head | Retired On Pension | West Virginia |
| 33 | Emma E. Dorman | 52 | Head | — | Illinois |
| 34 | Erma M. Dorman | 18 | Daughter | Nya | Arizona |
| 35 | Wallace Dorman | 16 | Son | — | Arizona |
| 36 | Marvin Dorman | 10 | Son | — | Arizona |
| 37 | Flavia D. Waddell | 24 | Daughter | — | Arizona |
| 38 | Donald Dee Waddell | 1 | Grandson | — | Arizona |
| 39 | Thomas Moody | 52 | Head | Merchant | Arizona |
| 40 | Lottie Moody | 51 | Wife | — | Arizona |
Pedigree Summary
Robert
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)