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Mary Lucas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Winnebago, Illinois
Our Model Tree links this Mary Lucas across the 1920, 1930 and 1940 US Censuses in Winnebago, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.
Age 35
b. ~1895
Female
Spouse
Born: Lithuania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Winnebago, Illinois |
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Alien |
| Year of Immigration | 1914 |
| Age at First Marriage | 23 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | No |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1895 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Lucas | Daughter | — | 6 | ~1924 |
| John Lucas | Head | — | 37 | ~1893 |
| Mary Lucas | Spouse | — | 35 | ~1895 |
Census Appearances
1920
Winnebago, Illinois
Spouse, age 24
Winnebago, Illinois · implied b. ~1896 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Locis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1930
Winnebago, Illinois
Spouse, age 35
Winnebago, Illinois · implied b. ~1895 — 3 household members
| Surname | Lucas |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Alien |
| Year of Immigration | 1914 |
| Age at First Marriage | 23 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | none |
| Can Read/Write | No |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1940
Winnebago-County, Illinois
Spouse, age 45
Winnebago-County, Illinois · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laucius |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Alien |
| Highest Grade | No 0 |
| 1935 Residence | Same Place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 Lucas 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 Lucas
Spouse · 1930 · age 35 · b. ~1895 · 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 — Winnebago, Illinois
Open full size
1930 US Federal Census — Winnebago, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel571:0804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Philip Crooker | 23 | Head | — | Louisiana |
| 52 | Vincenzo Cricianzo | 37 | Head | Border | Italy |
| 53 | Lucille Cricianzo | 30 | Wife | None | Italy |
| 54 | Benny Cricianzo | 8 | Son | None | Illinois |
| 55 | Jennie Cricianzo | 5 | Daughter | None | Illinois |
| 56 | Stella Cricianzo | 3 | Daughter | None | Illinois |
| 57 | Frank Calmia | 45 | Head | Labor | Italy |
| 58 | Dorothy Calmia | 37 | Wife | None | Italy |
| 59 | Jennie Calmia | 17 | Daughter | Looper | Italy |
| 60 | Benny Calmia | 9 | Son | None | Illinois |
| 61 | Rosie Calmia | 7 | Daughter | None | Illinois |
| 62 | Mary Calmia | 4 | Daughter | None | Illinois |
| 63 | Joe Calmia | 1 | Son | None | Illinois |
| 64 | Sam Licari | 45 | Head | Moulder | Italy |
| 65 | Mary Licari | 44 | Wife | None | Italy |
| 66 | Katie Licari | 20 | Daughter | Looper | Illinois |
| 67 | Rose Licari | 17 | Daughter | None | Illinois |
| 68 | Dorothy Licari | 16 | Daughter | None | Illinois |
| 69 | Nunzio Figueria | 36 | Head | Salesman | Italy |
| 70 | Vito Figueria | 36 | Wife | None | Italy |
| 71 | Sarah Figueria | 12 | Daughter | None | Wyoming |
| 72 | Tony Figueria | 10 | Son | None | Wyoming |
| 73 | Angelina Figueria | 8 | Daughter | None | Wyoming |
| 74 | John Lucas | 37 | Head | Finisher | Lithuania |
| 75 | Mary Lucas THIS PERSON | 35 | Wife | None | Lithuania |
| 76 | Helen Lucas | 6 | Daughter | None | Illinois |
| 77 | Joe Putacio | 44 | Head | Labor | Italy |
| 78 | Antonette Putacio | 33 | Wife | None | Italy |
| 79 | Joe Putacio | 2 | Son | None | Illinois |
| 80 | Tony Putacio | 3 | Son | None | Illinois |
| 81 | Carl F. Johnson | 38 | Head | Truck Driver | Illinois |
| 82 | Helen Johnson | 25 | Wife | None | Illinois |
| 83 | Willard J. Johnson | 17 | Son | Apprentice | Illinois |
| 84 | Lyndon Johnson | 14 | Son | None | Illinois |
| 85 | Leroy E. Johnson | 6 | Son | None | Illinois |
| 86 | Marjorie Johnson | 3 | Daughter | None | Illinois |
| 87 | Bartolo Pira | 38 | Head | Labor | Italy |
| 88 | Alberta Pira | 30 | Wife | Seamstress | Italy |
| 89 | Betty Pira | 16 | Daughter | None | Oklahoma |
| 90 | Paul Pira | 12 | Son | None | Missouri |
| 91 | Diana Pira | 11 | Daughter | None | Missouri |
| 92 | Frank Vanarli | 23 | Head | Upholstering | Illinois |
| 93 | Mary Vanarli | 18 | Wife | Labor | Pennsylvania |
| 94 | Anna Vanarli | 56 | Mother | None | Russia |
| 95 | Joe Vanarli | 20 | Brother | None | Illinois |
| 96 | Anton Vanarli | 34 | Head | Machinist | Illinois |
| 97 | Susan Vanarli | 32 | Wife | None | Pennsylvania |
| 98 | Betty Vanarli | 10 | Daughter | None | Illinois |
| 99 | Donald Vanarli | 6 | Son | None | Illinois |
| 100 | Anthony Gregg | 36 | Head | Manager | 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)