ML
Mary Link — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allamakee-County, Iowa
Our Model Tree links this Mary Link across the 1930 and 1940 US Censuses in Allamakee-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allamakee-County, Iowa |
| Surname | Link |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Union Prairie |
| 1935 Residence (County) | Allamakee |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Union Prairie |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Althea Link | Daughter | — | 14 | ~1926 |
| Frances Link | Daughter | — | 5 | ~1935 |
| Elaine Link | Daughter | — | 2 | ~1938 |
| H Link | Head | — | 46 | ~1894 |
| Mary Link | Spouse | — | 45 | ~1895 |
| Alice Link | Daughter | — | 9 | ~1931 |
| Margaret Link | Daughter | — | 20 | ~1920 |
| Mary Link | Daughter | — | 17 | ~1923 |
| Ida Link | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Allamakee, Iowa
Daughter, age 7
Allamakee, Iowa · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Link |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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
Allamakee-County, Iowa
Daughter, age 17
Allamakee-County, Iowa · implied b. ~1923 — 9 household members
| Surname | Link |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Union Prairie |
| 1935 Residence (County) | Allamakee |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 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 Mary Link across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Link
Daughter · 1940 · age 17 · b. ~1923 · Iowa
★ You are viewing this record
Sibling
Margaret Link
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Link
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Link
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Link
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Link
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Althea Link
Sibling · 1940 · age 14
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 — Allamakee-County, Iowa
Open full size
1940 US Federal Census — Allamakee-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01136-01209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Lowes | 41 | Head | Farm Labor | Iowa |
| 2 | Elam S. Jones | 60 | Head | Farmer | Iowa |
| 3 | Ed Jones | 56 | Brother | Farmer | Iowa |
| 4 | Bert Jones | 51 | Brother | Farmer | Iowa |
| 5 | Art Neuberg | 27 | Head | Truck Driver | Iowa |
| 6 | Lena Neuberg | 63 | Mother | — | Iowa |
| 7 | Ernest Dee | 63 | Head | Farmer | Germany |
| 8 | Emma Dee | 64 | Wife | — | Iowa |
| 9 | John Mcaneny | 36 | Hired hand | Hired Hand | Iowa |
| 10 | Lynn S. Probart | 43 | Head | Farmer | Iowa |
| 11 | Clare Probart | 40 | Wife | — | Iowa |
| 12 | Geo. Barshell | 69 | Head | Farmer | Iowa |
| 13 | Mary Barshell | 64 | Wife | — | Iowa |
| 14 | Daniel J. Ryan | 68 | Head | Hired Laborer | Iowa |
| 15 | Mary Ryan | 35 | Wife | — | Iowa |
| 16 | Daniel M. Ryan | 2 | Son | — | Iowa |
| 17 | Marcella Millick | 12 | Sister-in-law | — | Iowa |
| 18 | Daniel M. Ryan | 69 | Head | — | Iowa |
| 19 | Mary Ryan | 59 | Wife | — | Iowa |
| 20 | H. W. Link | 46 | Head | Rural Mail Carrier | Iowa |
| 21 | Mary Link | 45 | Wife | — | Iowa |
| 22 | Margaret Link | 20 | Daughter | School Teacher | Iowa |
| 23 | Mary Lou Link THIS PERSON | 17 | Daughter | — | Iowa |
| 24 | Althea Link | 14 | Daughter | — | Iowa |
| 25 | Ida Link | 12 | Daughter | — | Iowa |
| 26 | Alice Link | 9 | Daughter | — | Iowa |
| 27 | Frances Link | 5 | Daughter | — | Iowa |
| 28 | Elaine Link | 2 | Daughter | — | Iowa |
| 29 | James Mcaneny | 72 | Head | Farmer | Iowa |
| 30 | Kathryn Mcaneny | 64 | Wife | — | Wisconsin |
| 31 | Thomas Mcaneny | 30 | Son | Farmer | Iowa |
| 32 | James P. Mcaneny | 28 | Son | Farm Laborer | Iowa |
| 33 | Kathryn Mcaneny | 25 | Daughter | — | Iowa |
| 34 | Leonard Stortz | 58 | Head | Farmer | Iowa |
| 35 | Vera Stortz | 48 | Wife | — | Iowa |
| 36 | Margaret Stortz | 11 | Daughter | — | Iowa |
| 37 | Francis Leo Stortz | 8 | Son | — | Iowa |
| 38 | Elizabeth Stortz | 6 | Daughter | — | Iowa |
| 39 | Patricia Stortz | 1 | 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)