RK
Richard Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Keokuk-County, Iowa
Our Model Tree links this Richard Kelly across the 1930 and 1940 US Censuses in Keokuk-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Keokuk-County, Iowa |
| Surname | Kelly |
| Given Name | Richard D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sigourney City |
| 1935 Residence (County) | Keokuk |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sigourney City |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Richard Kelly | Son | — | 16 | ~1924 |
| Robert Kelly | Son | — | 13 | ~1927 |
| Thomas Kelly | Son | — | 18 | ~1922 |
| Joseph Kelly | Son | — | 5 | ~1935 |
| Mary Kelly | Spouse | — | 48 | ~1892 |
| Edward Kelly | Son | — | 14 | ~1926 |
| Mary Kelly | Daughter | — | 10 | ~1930 |
| Richard Kelly | Head | — | 49 | ~1891 |
Census Appearances
1930
Keokuk, Iowa
Son, age 6
Keokuk, Iowa · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Richard F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Keokuk-County, Iowa
Son, age 16
Keokuk-County, Iowa · implied b. ~1924 — 8 household members
| Surname | Kelly |
| Given Name | Richard D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sigourney City |
| 1935 Residence (County) | Keokuk |
| Highest Grade | H-2 |
| 1935 Residence | Iowa |
| 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 Richard Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Kelly
Son · 1940 · age 16 · b. ~1924 · Iowa
★ You are viewing this record
Sibling
Robert Kelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kelly
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kelly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kelly
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Kelly
Sibling · 1940 · age 5
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 — Keokuk-County, Iowa
Open full size
1940 US Federal Census — Keokuk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01172-00964)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred G. Wilson | 56 | Head | Laborer | Missouri |
| 42 | Edna B. Wilson | 46 | Wife | Housewife | Iowa |
| 43 | James W. Wilson | 16 | Son | — | Iowa |
| 44 | Francis E. Lee | 34 | Head | Manager | Iowa |
| 45 | Doris P. Lee | 33 | Wife | Housewife | Iowa |
| 46 | Raymond O. Straight | 28 | Head | Farmer | Iowa |
| 47 | Minnie P. Straight | 24 | Wife | Housewife | Iowa |
| 48 | Arthur D. Straight | 5 | Son | — | Iowa |
| 49 | Marion L. Straight | 7 | Son | — | Iowa |
| 50 | Frank Davis | 71 | Head | — | Iowa |
| 51 | John P. Morris | 24 | Head | Stat. Agent | Iowa |
| 52 | Ruth E. Morris | 22 | Wife | — | Iowa |
| 53 | Mary E. Schimmelpfennig | 70 | Head | Housewife | Illinois |
| 54 | Everett S. Schimmelpfennig | 32 | Head | Mill Operator | Missouri |
| 55 | Helen Z. Schimmelpfennig | 31 | Wife | Housewife | Iowa |
| 56 | Hal E. Schimmelpfennig | 8 | Son | — | Iowa |
| 57 | Mary Lee Schimmelpfennig | 2 | Daughter | — | Iowa |
| 58 | Richard Dereus | 30 | Head | Inspector | Iowa |
| 59 | Blanche R. Dereus | 24 | Wife | Housewife | Iowa |
| 60 | Sherill M. Dereus | 2 | Daughter | — | Iowa |
| 61 | Terry R. Dereus | 0 | Son | — | Iowa |
| 62 | Alice F. Mullinix | 75 | Head | Housewife | Illinois |
| 63 | Montie E. Mullinix | 55 | Son | Laborer | Iowa |
| 64 | Minnie R. Richardson | 61 | Head | Seamstress | Iowa |
| 65 | James Dimmitt | 55 | Head | Salesman | Iowa |
| 66 | Ada D. Dimmitt | 53 | Wife | Housewife | Iowa |
| 67 | John W. Lant | 70 | Head | — | Iowa |
| 68 | Anna Lant | 62 | Wife | Housewife | Iowa |
| 69 | Earl A. Hanson | 27 | Lodger | Meat Cutter | Iowa |
| 70 | Joseph T. Smith | 41 | Head | Mail Carrier | Iowa |
| 71 | Elva R. Smith | 39 | Wife | Housewife | Iowa |
| 72 | Richard D. Kelly | 49 | Head | Dentist | Iowa |
| 73 | Mary E. Kelly | 48 | Wife | Housewife | Iowa |
| 74 | Thomas D. Kelly | 18 | Son | Laborer | Iowa |
| 75 | Richard D. Kelly THIS PERSON | 16 | Son | — | Iowa |
| 76 | Edward D. Kelly | 14 | Son | — | Iowa |
| 77 | Robert L. Kelly | 13 | Son | — | Iowa |
| 78 | Mary L. Kelly | 10 | Daughter | — | Iowa |
| 79 | Joseph P. Kelly | 5 | Son | — | Iowa |
| 80 | Edward S. Diercks | 65 | Head | Hardware | Illinois |
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)