MW
Margaret Walker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Iowa
Our Model Tree links this Margaret Walker across the 1930 and 1940 US Censuses in Lucas-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Iowa |
| Surname | Walker |
| Given Name | Margaret J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Russell |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Russell Town |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Walker | Daughter | — | 12 | ~1928 |
| Melva Walker | Daughter | — | 15 | ~1925 |
| Mary Walker | Daughter | — | 12 | ~1928 |
| Albert Walker | Head | — | 36 | ~1904 |
| Ollie Davis | Other | — | 6 | ~1934 |
| Duffie Walker | Son | — | 8 | ~1932 |
| Robert Walker | Son | — | 13 | ~1927 |
| Allen Walker | Son | — | 19 | ~1921 |
| Albert Walker | Son | — | 17 | ~1923 |
| Sylvia Walker | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Lucas, Iowa
Daughter, age 3
Lucas, Iowa · implied b. ~1927 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Lucas-County, Iowa
Daughter, age 12
Lucas-County, Iowa · implied b. ~1928 — 10 household members
| Surname | Walker |
| Given Name | Margaret J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Russell |
| 1935 Residence (County) | Lucas |
| Highest Grade | No 6 |
| 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 Margaret Walker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Walker
Daughter · 1940 · age 12 · b. ~1928 · Iowa
★ You are viewing this record
Sibling
Robert Walker
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melva Walker
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Walker
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Walker
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Walker
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duffie Walker
Sibling · 1940 · age 8
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 — Lucas-County, Iowa
Open full size
1940 US Federal Census — Lucas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01178-00729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harley E Post | 63 | Head | Farmer | Iowa |
| 2 | Bertha M Post | 53 | Wife | Housekeeper | Iowa |
| 3 | Evan Swartzfeller | 32 | Head | Telephone Operator | Iowa |
| 4 | Earl S Swartzfeller | 5 | Son | — | — |
| 5 | Elda Mrs Smith | 59 | Head | Housekeeper | Iowa |
| 6 | Carrie Mrs Whittier | 84 | Mother | Housekeeper | Iowa |
| 7 | Wm J Reese | 74 | Head | Fruit Farmer | Wales |
| 8 | Jane E Reese | 65 | Wife | Housekeeper | Illinois |
| 9 | John Sloane | 43 | Head | Laborer | Iowa |
| 10 | Retta Sloane | 31 | Wife | Housekeeper | Iowa |
| 11 | Harold Sloane | 7 | Son | — | Iowa |
| 12 | Dorothy Sloane | 5 | Daughter | — | — |
| 13 | Shirley A Sloane | 3 | Daughter | — | — |
| 14 | Paul E Sloane | 2 | Son | — | — |
| 15 | Elizabeth Mrs Fairburn | 73 | Head | Housekeeper | England |
| 16 | Abel Beach | 74 | Head | Retired Farmer | Iowa |
| 17 | Nannie C Beach | 72 | Wife | Housekeeper | Missouri |
| 18 | Albert S Walker | 36 | Head | Railway Mail Clerk | Iowa |
| 19 | Sylvia Walker | 30 | Wife | Housekeeper | Illinois |
| 20 | Allen E Walker | 19 | Son | — | Iowa |
| 21 | Albert S Walker | 17 | Son | — | Iowa |
| 22 | Melva E Walker | 15 | Daughter | — | Iowa |
| 23 | Robert L Walker | 13 | Son | — | Iowa |
| 24 | Mary L Walker | 12 | Daughter | — | Iowa |
| 25 | Margaret J Walker THIS PERSON | 12 | Daughter | — | Iowa |
| 26 | Duffie D Walker | 8 | Son | — | Iowa |
| 27 | Ollie E Davis | 6 | Boarder | — | — |
| 28 | Albert Hoskins | 43 | Head | Auto Mechanic | Iowa |
| 29 | Bell L Hoskins | 43 | Wife | Housekeeper | Iowa |
| 30 | Leo Hoskins | 20 | Son | Auto Mechanic | Iowa |
| 31 | Marjorie B Hoskins | 17 | Daughter | — | Iowa |
| 32 | Gene Hoskins | 16 | Son | — | Iowa |
| 33 | Neil T Hoskins | 31 | Head | Produce Clerk | Iowa |
| 34 | Edith M Hoskins | 26 | Wife | Housekeeper | Iowa |
| 35 | Joann L Hoskins | 4 | Daughter | — | — |
| 36 | Martin J Fenton | 55 | Head | Telegraph Operator | Iowa |
| 37 | Helen H Fenton | 41 | Wife | Housekeeper | Iowa |
| 38 | Olin L Wilson | 41 | Head | Blacksmith | Iowa |
| 39 | Helen M Wilson | 37 | Wife | Housekeeper | Iowa |
| 40 | Marjorie L Wilson | 15 | Daughter | — | Iowa |
Related Census Records
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)