MR
Margaret Richardson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Margaret Richardson across the 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Richardson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boulder Twp. |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Helper |
| Industry | Farm House |
| Class of Worker | NP |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Helper |
| Township / Ward | Boulder Twp |
| Est. Birth Year | ~1921 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Louis Richardson | Son | — | 9 | ~1931 |
| Emma Richardson | Spouse | — | 47 | ~1893 |
| Joan Richardson | Son | — | 13 | ~1927 |
| Russell Richardson | Head | — | 48 | ~1892 |
| Gene Richardson | Daughter | — | 7 | ~1933 |
| Paul Richardson | Son | — | 15 | ~1925 |
| Margaret Richardson | Daughter | — | 19 | ~1921 |
| Doris Richardson | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Linn, Iowa
Daughter, age 9
Linn, Iowa · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Daughter, age 19
Linn-County, Iowa · implied b. ~1921 — 8 household members
| Surname | Richardson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boulder Twp. |
| 1935 Residence (County) | Linn |
| Occupation | Helper |
| Industry | Farm House |
| Class of Worker | NP |
| Hours Worked | 65 |
| Income (1939) | 0 |
| 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 Margaret Richardson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Richardson
Daughter · 1940 · age 19 · b. ~1921 · Iowa
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Sibling
Louis Richardson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Richardson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Richardson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Richardson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Richardson
Sibling · 1940 · age 7
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 — 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-t0627-01175-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Mcdonald | 15 | Daughter | — | Iowa |
| 42 | Richard Mcdonald | 8 | Son | — | Iowa |
| 43 | Eddie Reilly | 45 | Hired man | Laborer | Iowa |
| 44 | John Q. Mathias | 25 | Head | Farmer | Iowa |
| 45 | Irene Mathias | 24 | Wife | — | Iowa |
| 46 | Margaret Mathias | 1 | Son | — | Iowa |
| 47 | Loran Tower | 29 | Hired man | Laborer | Iowa |
| 48 | Elmer Q. Carlton | 56 | Head | Farmer | Illinois |
| 49 | Phoebe Carlton | 54 | Wife | — | South Dakota |
| 50 | Arthur Carlton | 23 | Son | Helper | South Dakota |
| 51 | Mercedes Carlton | 20 | Daughter | Helper | South Dakota |
| 52 | Aloysius Carlton | 17 | Son | — | South Dakota |
| 53 | Russell Q. Richardson | 48 | Head | Farmer | Iowa |
| 54 | Emma Richardson | 47 | Wife | — | Iowa |
| 55 | Margaret Richardson THIS PERSON | 19 | Daughter | Helper | Iowa |
| 56 | Paul Richardson | 15 | Son | — | Iowa |
| 57 | Joan Richardson | 13 | Son | — | Iowa |
| 58 | Doris Richardson | 11 | Daughter | — | Iowa |
| 59 | Louis Richardson | 9 | Son | — | Iowa |
| 60 | Gene Richardson | 7 | Daughter | — | Iowa |
| 61 | Arthur Luck | 37 | Head | Farmer | Iowa |
| 62 | Clara Luck | 35 | Wife | — | Iowa |
| 63 | Dorothy Luck | 14 | Daughter | — | Iowa |
| 64 | Loyd Luck | 10 | Daughter | — | Iowa |
| 65 | Eugene Luck | 5 | Son | — | Iowa |
| 66 | I. M. Fowler | 59 | Head | Farmer | West Virginia |
| 67 | Anna Fowler | 57 | Wife | — | Iowa |
| 68 | Clarence Fowler | 29 | Son | Farmer | Iowa |
| 69 | Alberta Fowler | 16 | Daughter | — | Iowa |
| 70 | Pearl Fowler | 20 | Niece | — | Minnesota |
| 71 | Thomas Morrissey | 28 | Head | Farmer | Iowa |
| 72 | Florence Morrissey | 25 | Wife | — | Wisconsin |
| 73 | Ronald Morrissey | 2 | Son | — | Iowa |
| 74 | Allie Q. Mangold | 51 | Head | Farmer | Iowa |
| 75 | Norman Mangold | 24 | Son | Helper | Iowa |
| 76 | Loren Mangold | 22 | Son | Helper | Iowa |
| 77 | Fern Mangold | 17 | Daughter | — | Iowa |
| 78 | Gerald Kester | 13 | Son | — | Iowa |
| 79 | P. H. Kester | 52 | Head | Farmer | Iowa |
| 80 | Bertha Kester | 50 | Wife | — | Iowa |
Related Census Records
Search for Margaret Richardson
All Margaret Richardson Census Records Discover Richardson Family TreeAbout 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)