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Mary Link — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this Mary Link across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Link |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Concord TWP |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Concord Twp |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Victor Link | Son | — | 23 | ~1917 |
| Mary Link | Spouse | — | 50 | ~1890 |
| Frank Link | Head | — | 53 | ~1887 |
| Delores Link | Daughter | — | 20 | ~1920 |
| Adella Link | Daughter | — | 15 | ~1925 |
Census Appearances
1920
Dubuque, Iowa
Spouse, age 30
Dubuque, Iowa · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Link |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Spouse, age 40
Dubuque, Iowa · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Link |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Spouse, age 50
Dubuque-County, Iowa · implied b. ~1890 — 5 household members
| Surname | Link |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Concord TWP |
| 1935 Residence (County) | Dubuque |
| Highest Grade | No 5 |
| 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 Link across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Link
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 — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01158-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louisa Brimeyer | 63 | Wife | — | Iowa |
| 2 | Raymond Brimeyer | 27 | Son | Laborer | Iowa |
| 3 | Alvina Brimeyer | 24 | Daughter | Laborer | Iowa |
| 4 | Patricia Ann Brimeyer | 5 | Granddaughter | — | Iowa |
| 5 | Joseph Feick | 44 | Head | Farmer | Iowa |
| 6 | Leona Feick | 38 | Wife | — | Iowa |
| 7 | Dorothy Feick | 13 | Daughter | — | Iowa |
| 8 | Lucille Feick | 12 | Daughter | — | Iowa |
| 9 | Irma Feick | 10 | Daughter | — | Iowa |
| 10 | Merlin Feick | 8 | Son | — | Iowa |
| 11 | Marina Feick | 7 | Daughter | — | Iowa |
| 12 | Florence Feick | 5 | Daughter | — | Iowa |
| 13 | Leonard Feick | 4 | Son | — | Iowa |
| 14 | Rose Mary Feick | 2 | Daughter | — | Iowa |
| 15 | Arnold Feick | 0 | Son | — | Iowa |
| 16 | Alfred Feick | 28 | Brother | Teacher | Iowa |
| 17 | Raymond Clemen | 28 | Head | Farmer | Iowa |
| 18 | Lucinda Clemen | 23 | Wife | — | Iowa |
| 19 | Elizabeth Clemen | 4 | Daughter | — | Iowa |
| 20 | Patricia Ann Clemen | 2 | Daughter | — | Iowa |
| 21 | Patrick Fitzgerald | 76 | Head | — | New York |
| 22 | Jean Fitzgerald | 76 | Wife | — | Iowa |
| 23 | Edward Fitzgerald | 44 | Son | Farmer | Iowa |
| 24 | Frank A. Link | 53 | Head | Farmer | Iowa |
| 25 | Mary Link THIS PERSON | 50 | Wife | — | Iowa |
| 26 | Victor Link | 23 | Son | Laborer | Iowa |
| 27 | Delores Link | 20 | Daughter | — | Iowa |
| 28 | Adella Link | 15 | Daughter | — | Iowa |
| 29 | Allie J. Link | 48 | Head | Farmer | Iowa |
| 30 | Elizabeth Link | 45 | Wife | — | Iowa |
| 31 | Mrs. Emma Link | 77 | Mother | — | Iowa |
| 32 | Frank J. Link | 63 | Head | Farmer | Iowa |
| 33 | Catherine Link | 55 | Wife | — | Iowa |
| 34 | Francis Link | 17 | Son | — | Iowa |
| 35 | Helen Link | 14 | Daughter | — | Iowa |
| 36 | Ivanelle Link | 10 | Daughter | — | Iowa |
| 37 | John G. Sigwarth | 51 | Head | Farmer | Iowa |
| 38 | Anna Sigwarth | 48 | Wife | — | Iowa |
| 39 | Reynold Sigwarth | 25 | Son | — | Iowa |
| 40 | Dorothy Sigwarth | 21 | Daughter | — | 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)