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Mary Mcpherson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lee-County, Iowa
Our Model Tree links this Mary Mcpherson across the 1930 and 1940 US Censuses in Lee-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Iowa |
| Surname | McPherson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Keokuk City |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Occupation | Switchboard operator |
| Industry | Auto Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 234 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Switchboard Operator |
| Township / Ward | Keokuk City |
| Est. Birth Year | ~1923 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcpherson | Daughter | — | 17 | ~1923 |
| William Mcpherson | Son | — | 14 | ~1926 |
| Ann Mcpherson | Daughter | — | 25 | ~1915 |
| Jack Mcpherson | Son | — | 7 | ~1933 |
| Elmer Mcpherson | Head | — | 50 | ~1890 |
| Jimmie Mcpherson | Son | — | 18 | ~1922 |
| Margaret Mcpherson | Spouse | — | 50 | ~1890 |
| Eleanor Mcpherson | Daughter | — | 26 | ~1914 |
Census Appearances
1930
Lee, Iowa
Daughter, age 8
Lee, Iowa · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McPherson |
| Given Name | Mary J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Lee-County, Iowa
Daughter, age 17
Lee-County, Iowa · implied b. ~1923 — 8 household members
| Surname | McPherson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Keokuk City |
| 1935 Residence (County) | Lee |
| Occupation | Switchboard operator |
| Industry | Auto Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 234 |
| Highest Grade | Hs 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 Mary Mcpherson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcpherson
Daughter · 1940 · age 17 · b. ~1923 · Iowa
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Sibling
Jack Mcpherson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Mcpherson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Mcpherson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcpherson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimmie Mcpherson
Sibling · 1940 · age 18
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 — Lee-County, Iowa
Open full size
1940 US Federal Census — Lee-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01174-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmer V. D. Mass | 48 | Head | Salesman | Iowa |
| 2 | Dorothy Marie Mass | 50 | Wife | — | Iowa |
| 3 | Elmer J. Mass | 23 | Son | Salesman | Iowa |
| 4 | John E. Idle | 35 | Head | Mechanic | Kansas |
| 5 | Laurine Idle | 33 | Wife | — | Iowa |
| 6 | Margaret Idle | 6 | Daughter | — | Iowa |
| 7 | Bernard J. Schneider | 49 | Head | Heating Engineer | Iowa |
| 8 | Bertha E. Schneider | 48 | Wife | — | Missouri |
| 9 | Helen E. Schneider | 20 | Daughter | Saleslady | Iowa |
| 10 | Margaret Schneider | 19 | Daughter | Accountant | Iowa |
| 11 | John Schneider | 17 | Son | Warehouseman | Iowa |
| 12 | Joe Schneider | 15 | Son | — | Iowa |
| 13 | James Schneider | 1 | Son | — | Iowa |
| 14 | Elmer C. Mcpherson | 50 | Head | City Marshal | Illinois |
| 15 | Margaret Mcpherson | 50 | Wife | — | Iowa |
| 16 | Eleanor Mcpherson | 26 | Daughter | Cashier | Iowa |
| 17 | Ann Mcpherson | 25 | Daughter | Switchboard Operator | Iowa |
| 18 | Jimmie Mcpherson | 18 | Son | — | Iowa |
| 19 | Mary Mcpherson THIS PERSON | 17 | Daughter | Switchboard Operator | Iowa |
| 20 | William Mcpherson | 14 | Son | — | Iowa |
| 21 | Jack Mcpherson | 7 | Son | — | Iowa |
| 22 | Conrad Meister | 59 | Head | Electrician | Iowa |
| 23 | Lida Meister | 58 | Wife | — | Iowa |
| 24 | Chas. Renard | 35 | Head | — | Iowa |
| 25 | Emma Renard | 38 | Wife | — | Missouri |
| 26 | Sophia Smith | 77 | Mother | — | Iowa |
| 27 | Orville Simpson | 39 | Head | Marine Engineer | Missouri |
| 28 | Florence Simpson | 46 | Wife | — | Iowa |
| 29 | Laura M. Ingersoll | 66 | Head | — | Iowa |
| 30 | William E. Herrick | 64 | Head | Janitor | Iowa |
| 31 | Emma Dora Herrick | 64 | Wife | — | Iowa |
| 32 | William Herrick | 32 | Son | Bookkeeping | Iowa |
| 33 | Kenneth J. Easter | 47 | Head | Casting Inspector | Idaho |
| 34 | Ida S. Easter | 39 | Wife | — | Indiana |
| 35 | John R. Easter | 14 | Son | Delivery Boy | Michigan |
| 36 | Barbara E. Easter | 7 | Daughter | — | Indiana |
| 37 | Edward Pflug | 84 | Head | — | Germany |
| 38 | Lester Jones | 29 | Head | Laborer | Iowa |
| 39 | Hazel Jones | 29 | Wife | — | Iowa |
| 40 | Ruth Storms | 20 | Sister | Maid | Iowa |
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)