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Mary Lowry — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Lowry across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 2
b. ~1928
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lowry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Evanston City |
| Est. Birth Year | ~1928 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Lowry | Daughter | — | 1 | ~1929 |
| Mary Lowry | Daughter | — | 2 | ~1928 |
| Harold Lowry | Head | — | 30 | ~1900 |
| Josephine Lowry | Spouse | — | 27 | ~1903 |
| Ann Lowry | Daughter | — | 3 | ~1927 |
Census Appearances
1930
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1928 — 5 household members
| Surname | Lowry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 11
Cook-County, Illinois · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lowry |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | H 5 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lowry across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lowry
Daughter · 1930 · age 2 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Ann Lowry
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Lowry
Sibling · 1930 · age 1
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
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:illinoiscensus00reel500:0522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas J Frey | 46 | Head | Surveyor | Wisconsin |
| 52 | Mildred E Frey | 47 | Wife | — | Wisconsin |
| 53 | James Frey | 11 | Son | — | Wisconsin |
| 54 | Margaret Frey | 29 | Daughter | — | Illinois |
| 55 | Mary E Frey | 70 | Mother | — | Wisconsin |
| 56 | Lewis E Clarke | 32 | Head | Architect | Massachusetts |
| 57 | Alice G Clarke | 28 | Wife | — | Sweden |
| 58 | Harold H Lowry | 30 | Head | Contractor | Illinois |
| 59 | Josephine S Lowry | 27 | Wife | — | Illinois |
| 60 | Ann Lowry | 3 | Daughter | — | Illinois |
| 61 | Mary Lowry THIS PERSON | 2 | Daughter | — | Illinois |
| 62 | Carolyn Lowry | 1 | Daughter | — | Illinois |
| 63 | Max Lehman | 54 | Head | Carpenter | Illinois |
| 64 | Anna B Lehman | 51 | Wife | — | Austria |
| 65 | Marion Lehman | 24 | Daughter | Teacher | Illinois |
| 66 | Lucille M Lehman | 20 | Daughter | Secretary | Illinois |
| 67 | Alice Lehman | 16 | Daughter | — | Illinois |
| 68 | Max Jr Lehman | 13 | Son | — | Illinois |
| 69 | Leah R Lehman | 11 | Daughter | — | Illinois |
| 70 | George R Fitton | 46 | Head | Clerk | Illinois |
| 71 | Gertrude E Fitton | 47 | Wife | — | Illinois |
| 72 | James O Fitton | 50 | Brother | — | Massachusetts |
| 73 | Lydia Newberry | 27 | Lodger | — | Pennsylvania |
| 74 | Irvin L Milton | 35 | Head | Salesman | Michigan |
| 75 | Mildred Milton | 33 | Wife | — | Iowa |
| 76 | Annette L Milton | 5 | Daughter | — | Iowa |
| 77 | Graham E Milton | 2 | Son | — | Iowa |
| 78 | Alvah R Gibbs | 39 | Head | Manager | Scotland |
| 79 | Alice Gibbs | 35 | Wife | — | Illinois |
| 80 | Cora E Gibbs | 3 | Daughter | — | Illinois |
| 81 | Alice J Gibbs | 1 | Daughter | — | Illinois |
| 82 | Arthur G Savia | 55 | Head | President | Illinois |
| 83 | Nellie Savia | 51 | Wife | — | Indiana |
| 84 | Marie E Savia | 27 | Daughter | Secretary | Illinois |
| 85 | Edward S Jones | 50 | Head | Civil Engineer | Florida |
| 86 | Anna S Jones | 40 | Wife | — | Virginia |
| 87 | Priscilla S Jones | 17 | Daughter | — | Illinois |
| 88 | Elizabeth H Jones | 12 | Daughter | — | Illinois |
| 89 | Edward S Jr Jones | 22 | Son | — | Illinois |
| 90 | James P Montgomery | 60 | Head | Surveyor | Pennsylvania |
| 91 | Kate H Montgomery | 58 | Wife | — | Illinois |
| 92 | James Pruitt | 52 | Head | Salesman | Ohio |
| 93 | James Jr Pruitt | 18 | Son | — | Ohio |
| 94 | Mary H Pruitt | 53 | Sister | — | Ohio |
| 95 | Carrie Wilson | 52 | Maid | Maid | Sweden |
| 96 | Roland J Bridge | 50 | Head | President | New York |
| 97 | Edith Bridge | 48 | Wife | — | Illinois |
| 98 | Roland Jr Bridge | 22 | Son | Teacher | New York |
| 99 | Velma Williams | 23 | Maid | Maid | Michigan |
| 100 | Jessie C Walton | 31 | Maid | Maid | Illinois |
Related Census Records
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)