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Mary Andrews — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Iowa
Our Model Tree links this Mary Andrews across the 1920, 1930 and 1940 US Censuses in Marion-County, Iowa (XGBoost, ~Confirmed), with identified parents Bell & Leon — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Iowa |
| Surname | Andrews |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Knoxville (Pt) Twp. |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Knoxville Pt Twp |
| Est. Birth Year | ~1918 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Andrews | Daughter | — | 22 | ~1918 |
| Bell Curtis | Head | — | 63 | ~1877 |
| Clara Andrews | Other | — | 2 | ~1938 |
| Guy Andrews | Other | — | 34 | ~1906 |
Census Appearances
1920
Marion, Iowa
Daughter, age 2
Marion, Iowa · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marion, Iowa
Daughter, age 12
Marion, Iowa · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrew |
| Given Name | Myrtle E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Marion-County, Iowa
Daughter, age 22
Marion-County, Iowa · implied b. ~1918 — 4 household members
| Surname | Andrews |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Knoxville (Pt) Twp. |
| 1935 Residence (County) | Marion |
| 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 Andrews across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bell Curtis (~0.92 confidence) and father Leon Andrews (~0.92 confidence) and mother Zoa Andrews (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bell Curtis
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Leon Andrews
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Zoa Andrews
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Andrews
Daughter · 1940 · age 22 · b. ~1918 · 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 — Marion-County, Iowa
Open full size
1940 US Federal Census — Marion-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01181-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marvin E. Miller | 7 | Son | — | Iowa |
| 2 | Maryland J. Miller | 4 | Daughter | — | Iowa |
| 3 | Grover C. Durham | 32 | Hired hand | Hired Hand | Missouri |
| 4 | Alvin J. Dorsey | 30 | Head | Truck Driver | Iowa |
| 5 | Viola M. Dorsey | 29 | Wife | — | Iowa |
| 6 | Ray A. Hahn | 30 | Head | Attendant | Minnesota |
| 7 | Helen G. Hahn | 21 | Wife | — | Iowa |
| 8 | Mary E. Hahn | 79 | Mother | — | Wisconsin |
| 9 | Stephen L. Fee | 62 | Head | Farm Operator | Iowa |
| 10 | Leda M. Fee | 54 | Wife | — | Illinois |
| 11 | Jackie Crouch | 16 | Boarder | — | Iowa |
| 12 | George Ellison | 64 | Head | Farm Work | Tennessee |
| 13 | Gladys Armstrong | 28 | Housekeeper | Housekeeper | Tennessee |
| 14 | Delmar Armstrong | 21 | Brother Housekeeper | Operator | Tennessee |
| 15 | Daniel W. Fee | 69 | Head | Operator | Iowa |
| 16 | Alta Fee | 64 | Wife | — | Iowa |
| 17 | Ruth Fee | 32 | Daughter | Music Teacher | Iowa |
| 18 | Myron Welch | 31 | Head | Operator | Iowa |
| 19 | Rena Welch | 30 | Wife | Teacher | Iowa |
| 20 | Timothy V. Fee | 39 | Head | Operator | Iowa |
| 21 | Violet V. Fee | 40 | Wife | — | Iowa |
| 22 | Velma L. Fee | 15 | Daughter | — | Iowa |
| 23 | Keith D. Fee | 13 | Son | — | Iowa |
| 24 | William V. Fee | 11 | Son | — | Iowa |
| 25 | Ross M. Fee | 10 | Son | — | Iowa |
| 26 | Vivian L. Fee | 8 | Daughter | — | Iowa |
| 27 | Veda M. Fee | 6 | Daughter | — | Iowa |
| 28 | L. Dale Fee | 4 | Son | — | Iowa |
| 29 | Verdadean Fee | 2 | Daughter | — | Iowa |
| 30 | Bell Curtis | 63 | Head | Operator | Iowa |
| 31 | Guy Andrews | 34 | Son in Law | Manager | Iowa |
| 32 | Mary E. Andrews THIS PERSON | 22 | Daughter | — | Iowa |
| 33 | Clara B. Andrews | 2 | Granddaughter | — | Iowa |
| 34 | Joe Mcculley | 50 | Head | Labor | Missouri |
| 35 | Halie Mcculley | 46 | Wife | — | Missouri |
| 36 | Mary Jane Morgan | 12 | Niece of Wife | — | Arkansas |
| 37 | Joe O. Morgan | 11 | Nephew of Wife | — | Missouri |
| 38 | Park Miller | 50 | Head | Hired Hand | Iowa |
| 39 | Eva Miller | 44 | Wife | — | Iowa |
| 40 | Robert Miller | 22 | Son | New Work | Iowa |
Pedigree Summary
Mary
Gen 1 · 3 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)