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George Griffith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this George Griffith across the 1920, 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Griffith |
| Given Name | George W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Cedar Rapids |
| Est. Birth Year | ~1901 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Griffith | Spouse | — | 63 | ~1877 |
| John Griffith | Head | — | 72 | ~1868 |
| George Griffith | Son | — | 39 | ~1901 |
Census Appearances
1920
Linn, Iowa
Son, age 19
Linn, Iowa · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | George W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Canada |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Son, age 29
Linn, Iowa · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | George W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Canada |
| Mother's Birthplace | Iowa |
| Occupation | Farming |
| Industry | Own Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Son, age 39
Linn-County, Iowa · implied b. ~1901 — 3 household members
| Surname | Griffith |
| Given Name | George W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 George Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Griffith (~0.92 confidence) and father John Griffith (~0.92 confidence) and mother Elizabeth Griffith (~0.92 confidence) and mother Elizabeth Griffith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Griffith
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Griffith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Griffith
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Griffith
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Griffith
Son · 1940 · age 39 · b. ~1901 · Iowa
★ 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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01177-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer Vannice | 17 | Son | — | Iowa |
| 42 | Frank G. Stidworthy | 35 | Head | Garage Owner | Iowa |
| 43 | Mildred L. Stidworthy | 33 | Wife | — | Iowa |
| 44 | Robert F. Stidworthy | 9 | Son | — | Iowa |
| 45 | William W. Stidworthy | 38 | Brother | Garage Owner | Iowa |
| 46 | Grace B. Stidworthy | 30 | Sister-in-law | — | Iowa |
| 47 | John J. Stidworthy | 70 | Father | — | Czechoslovakia |
| 48 | Charles H. Robertson | 43 | Head | Truck Driver | Iowa |
| 49 | Clara E. Robertson | 47 | Wife | — | Iowa |
| 50 | Clifford R. Hull | 26 | Head | — | Iowa |
| 51 | Cora M. Hull | 19 | Wife | — | Iowa |
| 52 | Dixie D. Hull | 4 | Daughter | — | Iowa |
| 53 | Daniel R. Hull | 2 | Son | — | Iowa |
| 54 | John W. Griffith | 72 | Head | Veterinarian | England |
| 55 | Elizabeth J. Griffith | 63 | Wife | — | Iowa |
| 56 | George W. Griffith THIS PERSON | 39 | Son | Salesman | Iowa |
| 59 | Bernard R. Mcguire | 35 | Head | Steam Fitter Helper | Iowa |
| 60 | Luella I. Mcguire | 32 | Wife | — | Iowa |
| 61 | Robert L. Mcguire | 10 | Son | — | Iowa |
| 62 | Charlene L. Mcguire | 5 | Daughter | — | Iowa |
| 63 | Robert L. Hopper | 27 | Head | Feed Mill Worker | Iowa |
| 64 | Ruth A. Hopper | 27 | Wife | — | Iowa |
| 65 | Anna Owsley | 63 | Head | — | Iowa |
| 66 | Jesse Eubank | 67 | Head | Millwright | Iowa |
| 67 | Bessie Lester Bakley | 24 | Head | Truck Farmer | Iowa |
| 68 | Esther Bakley | 24 | Wife | — | Iowa |
| 69 | Esther Bakley | 1 | Daughter | — | Iowa |
| 70 | Victor Bakley | 0 | Son | — | Iowa |
| 71 | Omer W. Compton | 51 | Head | Produce Helper | Missouri |
| 72 | Hazel D. Compton | 37 | Wife | — | Illinois |
| 73 | Arthur G. Pickens | 19 | Stepson | — | Iowa |
| 74 | Betty F. Compton | 17 | Daughter | — | Iowa |
| 75 | Walter G. Compton | 14 | Son | — | Iowa |
| 76 | Donald M. Merrigan | 28 | Head | Refrigerator Helper | South Dakota |
| 77 | Linda R. Merrigan | 24 | Wife | House Keeper | South Dakota |
| 78 | Nellie Condon | 52 | Head | Maid | Iowa |
| 79 | Rodger S. Condon | 24 | Son | Painter | Iowa |
| 80 | Wayne G. Condon | 23 | Son | Farm Hand | Iowa |
Pedigree Summary
George
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)