FR
Frank Richardson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Frank Richardson across the 1920, 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed), with identified parents Joseph & Rena — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Richardson |
| Given Name | Frank H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Special Delivery Messenger |
| Industry | Post Office |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2030 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Special Delivery Messenger |
| Township / Ward | Cedar Rapids |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Richardson | Son | — | 8 | ~1932 |
| Dacie Richardson | Spouse | — | 33 | ~1907 |
| Frank Richardson | Head | — | 33 | ~1907 |
| Jean Richardson | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Linn, Iowa
Son, age 13
Linn, Iowa · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Head, age 23
Linn, Iowa · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Special Delivery |
| Industry | Post office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $30 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Head, age 33
Linn-County, Iowa · implied b. ~1907 — 4 household members
| Surname | Richardson |
| Given Name | Frank H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Occupation | Special Delivery Messenger |
| Industry | Post Office |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 2030 |
| Highest Grade | H 4 |
| 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 Frank Richardson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Richardson (~0.92 confidence) and mother Rena Richardson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Richardson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Rena Richardson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Richardson
Head · 1940 · age 33 · b. ~1907 · 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
40 people indexed on this census page (nara:1940:m-t0627-01175-01154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia H. Marker | 60 | Head | Superintendent | Iowa |
| 42 | Ada Marker | 52 | Wife | — | Illinois |
| 43 | Lowell Steele | 42 | Head | Lineman | Iowa |
| 44 | Lorna Steele | 36 | Wife | — | Iowa |
| 45 | Forest Steele | 9 | Son | — | Iowa |
| 46 | Richard Steele | 7 | Son | — | Iowa |
| 47 | William Peterson | 67 | Head | Locomotive Engineer | Minnesota |
| 48 | Grace Helen Peterson | 44 | Daughter | — | Iowa |
| 49 | James Kemp | 58 | Head | Postal Clerk | Iowa |
| 50 | Mary L. Kemp | 49 | Wife | — | Iowa |
| 51 | Dorothy Kemp | 20 | Daughter | Assistant | Illinois |
| 52 | James Kemp | 16 | Son | — | Iowa |
| 53 | Richard Kemp | 14 | Son | — | Iowa |
| 54 | Jesse J. Hickey | 55 | Head | Machinist | Wisconsin |
| 55 | May Hickey | 51 | Wife | — | Wisconsin |
| 56 | Thelma Hickey | 34 | Daughter | Clerk | Iowa |
| 57 | Harold Hickey | 22 | Son | Laborer | Iowa |
| 58 | Priscilla Hickey | 20 | Daughter | — | Iowa |
| 59 | Mary J. Bell | 73 | Head | — | Ireland |
| 60 | Ann M. Bell | 42 | Daughter | Bookkeeper | Ireland |
| 61 | James Smith | 22 | Grandson | Laborer | Iowa |
| 62 | Francis T. Molumby | 43 | Head | Clerk | Iowa |
| 63 | Mickle Molumby | 38 | Brother | — | Iowa |
| 64 | Julia Molumby | 80 | Mother | — | New Hampshire |
| 65 | Robert Molumby | 24 | Nephew | New Worker | Iowa |
| 66 | Mary Molumby | 38 | Sister | Secretary | Iowa |
| 67 | Donald Molumby | 7 | Son | — | Iowa |
| 68 | Celeste Molumby | 5 | Daughter | — | Iowa |
| 69 | Althea Lindley | 20 | Servant | Servant | Iowa |
| 70 | Martin Hansen | 49 | Head | Painter | Denmark |
| 71 | Laura Hansen | 41 | Wife | — | Iowa |
| 72 | Harrell Hansen | 23 | Daughter | — | Iowa |
| 73 | Alford Hansen | 19 | Son | Painter | Iowa |
| 74 | Frank H. Richardson THIS PERSON | 33 | Head | Special Delivery Messenger | Iowa |
| 75 | Dacie Richardson | 33 | Wife | — | Nebraska |
| 76 | Jean Richardson | 12 | Daughter | — | Iowa |
| 77 | Frank Jr. Richardson | 8 | Son | — | Iowa |
| 78 | Charles Finnegan | 31 | Head | Mechanic | Iowa |
| 79 | Myrta Finnegan | 30 | Wife | — | Illinois |
| 80 | Anna Finnegan | 5 | Daughter | — | Iowa |
Pedigree Summary
Frank
Gen 1 · 2 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)