RG
Robert Griffith — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Polk, Iowa
Our Model Tree links this Robert Griffith across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 46
b. ~1874
Male
Head
Born: Wales
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Iowa |
| Surname | Griffith |
| Given Name | Robert R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Farmer |
| Township / Ward | Bloomfield Township |
| Est. Birth Year | ~1874 |
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 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Arthur Griffith | Son | — | 17 | ~1903 |
| Donald Griffith | Son | — | 10 | ~1910 |
| Robert Griffith | Head | — | 46 | ~1874 |
| Paul Griffith | Son | — | 7 | ~1913 |
| Minnie Griffith | Spouse | — | 41 | ~1879 |
Census Appearances
1920
Polk, Iowa
Head, age 46
Polk, Iowa · implied b. ~1874 — 5 household members
| Surname | Griffith |
| Given Name | Robert R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Polk, Iowa
Head, age 53
Polk, Iowa · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffiths |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Wales |
| Age at First Marriage | 25 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Yes |
| Industry | Farmer |
| Class of Worker | Dairy |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Polk-County, Iowa
Head, age 66
Polk-County, Iowa · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | GRIFFITHS |
| Given Name | ROBERT R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Ft. Des Moines |
| 1935 Residence (County) | Polk |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 75 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Griffith
Head · 1920 · age 46 · b. ~1874 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Polk, Iowa
Open full size
1920 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu507unit:0078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas J Flora | 67 | Head | Farmer | Pennsylvania |
| 2 | Matilda Flora | 61 | Wife | — | Iowa |
| 3 | James B Flora | 39 | Son | Farmer | Iowa |
| 4 | Clement Flora | 19 | Son | — | Iowa |
| 5 | Cassius Tracy | 40 | Head | Miner | Iowa |
| 6 | Nellie Tracy | 35 | Wife | — | Iowa |
| 7 | George Tracy | 15 | Son | — | Iowa |
| 8 | Robert Tracy | 10 | Son | — | Iowa |
| 9 | Mildred Tracy | 8 | Daughter | — | Iowa |
| 10 | Vera Tracy | 4 | Daughter | — | Iowa |
| 11 | Arthur Tracy | 2 | Son | — | Iowa |
| 12 | Betty Tracy | 0 | Daughter | — | Iowa |
| 13 | Harry Wiard | 33 | Head | Farmer | Iowa |
| 14 | Ella E Wiard | 28 | Wife | — | Missouri |
| 15 | Gilbert Wiard | 8 | Son | — | Iowa |
| 16 | Alpha Wiard | 6 | Daughter | — | Missouri |
| 17 | George Wiard | 4 | Son | — | Iowa |
| 18 | Margaret Wiard | 2 | Daughter | — | Iowa |
| 19 | J. M. Jones | 48 | Head | Farmer | Illinois |
| 20 | Lena Jones | 21 | Wife | — | Iowa |
| 21 | Walter T Vickery | 35 | Head | Farmer | Kansas |
| 22 | Lillian C Vickery | 34 | Wife | — | Kansas |
| 23 | William Vickery | 11 | Son | — | Kansas |
| 24 | Harold Vickery | 9 | Son | — | Kansas |
| 25 | Robert Vickery | 7 | Son | — | Kansas |
| 26 | Walter Jr Vickery | 3 | Son | — | Iowa |
| 27 | Alice Vickery | 1 | Daughter | — | Iowa |
| 28 | Robert R Griffith THIS PERSON | 46 | Head | Farmer | Wales |
| 29 | Minnie M Griffith | 41 | Wife | — | Iowa |
| 30 | Arthur Griffith | 17 | Son | Assistant | Iowa |
| 31 | Donald R Griffith | 10 | Son | — | Iowa |
| 32 | Paul Griffith | 7 | Son | — | Iowa |
| 33 | Frank Bender | 25 | Head | Musician | Germany |
| 34 | Georgia Bender | 23 | Wife | — | Wisconsin |
| 35 | Francis Bender | 3 | Son | — | Wisconsin |
| 36 | Margaret Bender | 2 | Daughter | — | Wisconsin |
| 37 | Arthur Flatt | 35 | Head | Farmer | Illinois |
| 38 | Nellie Flatt | 31 | Wife | — | Iowa |
| 39 | Verlin Flatt | 9 | Son | — | Iowa |
| 40 | Donald Flatt | 8 | Son | — | Iowa |
| 41 | Doris Flatt | 4 | Daughter | — | Iowa |
| 42 | Howard Flatt | 1 | Son | — | Iowa |
| 43 | Joseph Dorn | 39 | Head | Inspector | Russia |
| 44 | Catherine Dorn | 35 | Wife | — | Kansas |
| 45 | Charles L Stanley | 57 | Head | Farmer | Ohio |
| 46 | Mary L Stanley | 34 | Wife | — | Iowa |
| 47 | Robert L Stanley | 13 | Son | — | Iowa |
| 48 | Phoebe Crittenden | 71 | Mother-in-law | — | Indiana |
| 49 | Andrew Stewart | 52 | Head | Farmer | Iowa |
| 50 | Mary Stewart | 49 | Wife | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)