MJ
Margaret Jenkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cherokee-County, Iowa
Our Model Tree links this Margaret Jenkins across the 1930 and 1940 US Censuses in Cherokee-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 12-person household.
Age 25
b. ~1915
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cherokee-County, Iowa |
| Surname | Jenkins |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| Additional Details | |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 57 |
| Income (1939) | 1080 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Nurse |
| Township / Ward | Cherokee |
| Est. Birth Year | ~1915 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Robert Jenkins | Son | — | 17 | ~1923 |
| Helen Jenkins | Daughter | — | 20 | ~1920 |
| Eugene Jenkins | Son | — | 8 | ~1932 |
| John Jenkins | Son | — | 12 | ~1928 |
| Charles Jenkins | Head | — | 51 | ~1889 |
| Joan Jenkins | Daughter | — | 15 | ~1925 |
| Ronald Jenkins | Son | — | 10 | ~1930 |
| Patricia Jenkins | Daughter | — | 14 | ~1926 |
| Phillip Jenkins | Son | — | 5 | ~1935 |
| Joseph Jenkins | Son | — | 6 | ~1934 |
| Margaret Jenkins | Daughter | — | 25 | ~1915 |
| Mae Jenkins | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Cherokee, Iowa
Daughter, age 15
Cherokee, Iowa · implied b. ~1915 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Cherokee-County, Iowa
Daughter, age 25
Cherokee-County, Iowa · implied b. ~1915 — 12 household members
| Surname | Jenkins |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 57 |
| Income (1939) | 1080 |
| Highest Grade | Hs 4 |
| 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 Jenkins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Jenkins
Daughter · 1940 · age 25 · b. ~1915 · Iowa
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Sibling
John Jenkins
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Jenkins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Jenkins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Jenkins
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Jenkins
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Jenkins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Jenkins
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Jenkins
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Jenkins
Sibling · 1940 · age 10
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 — Cherokee-County, Iowa
Open full size
1940 US Federal Census — Cherokee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01147-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Ann Bushnell | 9 | daughter | — | Iowa |
| 42 | Thomas P. Bushnell | 5 | son | — | Iowa |
| 43 | Joyce Marie Bushnell | 2 | daughter | — | Iowa |
| 44 | George Lamp | 37 | head | Civil Engineer | Iowa |
| 45 | Irene Lamp | 37 | wife | — | Iowa |
| 46 | Rosada Lamp | 11 | daughter | — | Iowa |
| 47 | Jordan Lamp | 7 | son | — | Iowa |
| 48 | Emmett Lamp | 6 | son | — | Iowa |
| 49 | Paul Michaelson | 39 | head | Proprietor | Iowa |
| 50 | Alice Michaelson | 35 | wife | — | New Jersey |
| 51 | James Michaelson | 1 | son | — | Iowa |
| 52 | Clarence Jenkins | 52 | head | Manager | Iowa |
| 53 | Emma Jenkins | 52 | wife | — | Iowa |
| 54 | Thomas Warrender | 31 | head | Clerk | Scotland |
| 55 | Marie Warrender | 28 | wife | — | Missouri |
| 56 | Frank Mares | 55 | head | Letter Carrier | Iowa |
| 57 | Nellie Mares | 54 | wife | — | Iowa |
| 58 | Francis Mares | 25 | son | Trucker | Iowa |
| 59 | Charles Jenkins | 51 | head | Mechanic | Iowa |
| 60 | Mae Jenkins | 47 | wife | — | Iowa |
| 61 | Margaret Jenkins THIS PERSON | 25 | daughter | Nurse | Iowa |
| 62 | Helen Jenkins | 20 | daughter | Clerk | Iowa |
| 63 | Robert Jenkins | 17 | son | Clerk | Iowa |
| 64 | Joan Jenkins | 15 | daughter | — | Iowa |
| 65 | Patricia Jenkins | 14 | daughter | — | Iowa |
| 66 | John Jenkins | 12 | son | — | Iowa |
| 67 | Ronald Jenkins | 10 | son | — | Iowa |
| 68 | Eugene Jenkins | 8 | son | — | Iowa |
| 69 | Joseph Jenkins | 6 | son | — | Iowa |
| 70 | Phillip Jenkins | 5 | son | — | Iowa |
| 71 | George Hicks | 40 | head | Salesman | Iowa |
| 72 | Eleanor Hicks | 34 | wife | — | Iowa |
| 73 | Nancy Lee Hicks | 5 | daughter | — | Iowa |
| 74 | Lew Mcdonald | 56 | head | Lawyer | Illinois |
| 75 | Olive M. Mcdonald | 51 | wife | — | Iowa |
| 76 | James D. Mcdonald | 14 | son | — | Iowa |
| 77 | William B. Mcdonald | 10 | son | — | Iowa |
| 78 | John Mcdonald | 8 | son | — | Iowa |
| 79 | William D. Stevens | 68 | head | — | Iowa |
| 80 | Anna Stevens | 69 | wife | — | 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)