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Mary Livingston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Mary Livingston across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Livingston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Home |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alene Livingston | Daughter | — | 22 | ~1918 |
| Floyd Livingston | Head | — | 47 | ~1893 |
| Mary Livingston | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Polk, Iowa
Spouse, age 30
Polk, Iowa · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Livingston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Spouse, age 40
Polk, Iowa · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Livingston |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Spouse, age 50
Polk-County, Iowa · implied b. ~1890 — 3 household members
| Surname | Livingston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Home |
| 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 Livingston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Livingston
Spouse · 1940 · age 50 · b. ~1890 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01196-00927)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William D. Stookey | 24 | Head | Knitter | Iowa |
| 2 | Donna Stookey | 28 | Wife | — | Iowa |
| 3 | Mary Ann Stookey | 6 | Daughter | — | Iowa |
| 4 | William Jr. Stookey | 3 | Son | — | Iowa |
| 5 | James H. Beatty | 63 | Father-in-law | Attendant | Iowa |
| 6 | Annabelle Beatty | 57 | Mother-in-law | — | Illinois |
| 7 | Victor A. Gunn | 45 | Head | Salesman | Iowa |
| 8 | Mae A. Gunn | 45 | Wife | — | Iowa |
| 9 | Victor Jr. Gunn | 19 | Son | — | Iowa |
| 10 | Elizabeth Gunn | 15 | Daughter | — | Iowa |
| 11 | Hugh Gunn | 5 | Son | — | Iowa |
| 12 | Lloyd E. Fort | 38 | Head | Sig. Foreman | Iowa |
| 13 | Gail A. Fort | 36 | Wife | — | Iowa |
| 14 | Ramona Fort | 18 | Daughter | Clerical | Iowa |
| 15 | Lloydene Fort | 15 | Daughter | — | Iowa |
| 16 | Betty Jean Fort | 13 | Daughter | — | Iowa |
| 17 | Joseph Cervetti | 30 | Lodger | Salesman | Iowa |
| 18 | Frank L. Melecher | 54 | Head | Foreman | Bohemia |
| 19 | Estella Melecher | 52 | Wife | — | Iowa |
| 20 | Mollie B. Melecher | 29 | Daughter | — | Iowa |
| 21 | William A. Luce | 75 | Head | — | Illinois |
| 22 | Luella Luce | 71 | Wife | — | Illinois |
| 23 | Hazel M. Chamberlain | 71 | Head | — | Indiana |
| 24 | Hazel M. Chamberlain | 47 | Daughter | Bookkeeper | Illinois |
| 25 | Alice A. Goodrill | 84 | Head | — | Indiana |
| 26 | Ethel Wickham | 57 | Daughter | Proofreader | Iowa |
| 27 | Floyd H. Livingston | 47 | Head | Auditor | Iowa |
| 28 | Mary Livingston THIS PERSON | 50 | Wife | — | Iowa |
| 29 | Alene Livingston | 22 | Daughter | Typist | Iowa |
| 30 | Eunice A. Priest | 61 | Head | — | Iowa |
| 31 | John E. Priest | 72 | Lodger | — | Iowa |
| 32 | Morgan Jones | 57 | Head | Utility Man | Illinois |
| 33 | Catherine Jones | 58 | Wife | — | Wales |
| 34 | Fred Leskin | 66 | Head | Operator | Iowa |
| 35 | Emma Leskin | 70 | Wife | — | Iowa |
| 36 | Samuel N. Clark | 49 | Head | Janitor | Missouri |
| 37 | Cora Clark | 48 | Wife | — | Iowa |
| 38 | Roy G. Schwartz | 47 | Head | Carpenter | Iowa |
| 39 | Mae A. Schwartz | 47 | Wife | — | Oklahoma |
| 40 | Fred Miller | 17 | Son | — | Oklahoma |
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)