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Mary Lund — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Lund across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 8-person household.
Age 55
b. ~1875
Female
Spouse
Born: Norway
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lund |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1875 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lund | Spouse | — | 55 | ~1875 |
| George Lund | Son | — | 21 | ~1909 |
| Hazel Lund | Daughter | — | 21 | ~1909 |
| Gust Lund | Head | — | 60 | ~1870 |
| George Lund | Son | — | 27 | ~1903 |
| Fred Lund | Son | — | 25 | ~1905 |
| John Lund | Son | — | 18 | ~1912 |
| Emma Lund | Daughter | — | 20 | ~1910 |
Census Appearances
1920
Cook, Illinois
Spouse, age 40
Cook, Illinois · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lund |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1895 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | House Maid |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Cook, Illinois
Spouse, age 55
Cook, Illinois · implied b. ~1875 — 8 household members
| Surname | Lund |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 25 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Lund across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Lund
Spouse · 1930 · age 55 · b. ~1875 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel442:1087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther Hansen | 52 | Head | Proprietor | Wisconsin |
| 2 | Fred Hansen | 29 | Son | — | Illinois |
| 3 | Edith Hansen | 23 | Daughter | — | Illinois |
| 4 | Frank Hansen | 21 | Son | Driver | Illinois |
| 5 | George Hansen | 19 | Son | Salesman | Illinois |
| 6 | Alice Hansen | 17 | Daughter | — | Illinois |
| 7 | Alfred Hansen | 55 | Head | Farmer | Sweden |
| 8 | Hannah Hansen | 55 | Wife | — | Sweden |
| 9 | Adeline Hansen | 25 | Daughter | Stenographer | Illinois |
| 10 | Gladys Gunther | 25 | Daughter | Stenographer | Illinois |
| 11 | Earl Gunther | 26 | Son-in-law | — | Illinois |
| 12 | Frank Mundt | 50 | Head | Mechanist | Illinois |
| 13 | Sophia Mundt | 46 | Wife | — | Illinois |
| 14 | Adeline Mundt | 21 | Daughter | — | Illinois |
| 15 | Esther Mundt | 18 | Daughter | — | Illinois |
| 16 | John Freen | 71 | Head | — | Germany |
| 17 | Louise Freen | 68 | Wife | Salesman | Germany |
| 18 | Louis Freen | 34 | Son | — | Illinois |
| 19 | Frank Grieshaber | 75 | Head | — | France |
| 20 | Victoria Grieshaber | 70 | Wife | — | France |
| 21 | Lena Grieshaber | 45 | Daughter | Trained Nurse | Illinois |
| 22 | Hattie Grieshaber | 38 | Daughter | Trained Nurse | Illinois |
| 23 | Frank Grieshaber | 36 | Son | Carpenter | Illinois |
| 24 | Oscar Baker | 45 | Head | Mechanist | Iowa |
| 25 | Leona Baker | 40 | Wife | — | Arizona |
| 26 | Hazel Baker | 19 | Daughter | Book Keeper | Iowa |
| 27 | Thelma Baker | 17 | Daughter | Office Clerk | Iowa |
| 28 | Robert Baker | 15 | Son | — | Iowa |
| 29 | Edward Baker | 37 | Brother | Office Clerk | Iowa |
| 30 | Frank Bush | 45 | Head | — | Illinois |
| 31 | Edith Bush | 33 | Wife | Office Clerk | Illinois |
| 32 | Frank Bush | 9 | Son | — | Illinois |
| 33 | Joseph Mcclure | 46 | Head | Conductor | Illinois |
| 34 | Grace Mcclure | 42 | Wife | — | Illinois |
| 35 | Irene Mcclure | 18 | Daughter | — | Illinois |
| 36 | Frank Gustafson | 60 | Head | Shipping Clerk | Illinois |
| 37 | Martha Gustafson | 60 | Wife | — | England |
| 38 | Alice Gustafson | 20 | Daughter | Office Clerk | Illinois |
| 39 | Gust Lund | 60 | Head | Farm Worker | Germany |
| 40 | Mary Lund THIS PERSON | 55 | Wife | — | Norway |
| 41 | Fred Lund | 25 | Son | — | Illinois |
| 42 | Hazel Lund | 21 | Daughter | — | Illinois |
| 43 | George Lund | 27 | Son | Conductor | Illinois |
| 44 | George Lund | 21 | Son | Freight Handler | Illinois |
| 45 | Emma Lund | 20 | Daughter | Office Clerk | Illinois |
| 46 | John Lund | 18 | Son | — | Illinois |
| 47 | Anton Schukke | 40 | Head | Laborer | Illinois |
| 48 | Bruno Wiese | 20 | Nephew | Laborer | Poland |
| 49 | Robert Wiese | 22 | Nephew | Laborer | Germany |
| 50 | August Lina | 27 | Head | Placement Clerk | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)