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Mary Byrne — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Byrne across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 7-person household.
Age 45
b. ~1885
Female
Spouse
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1885 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Byrne | Head | — | 45 | ~1885 |
| Herbert Byrne | Son | — | 18 | ~1912 |
| Harold Byrne | Son | — | 8 | ~1922 |
| Gilbert Byrne | Son | — | 16 | ~1914 |
| Raymond Byrne | Son | — | 21 | ~1909 |
| Frank Byrne | Son | — | 6 | ~1924 |
| Mary Byrne | Spouse | — | 45 | ~1885 |
Census Appearances
1930
Cook, Illinois
Spouse, age 45
Cook, Illinois · implied b. ~1885 — 7 household members
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 55
Cook-County, Illinois · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Byrne across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Byrne
Spouse · 1930 · age 45 · b. ~1885 · 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
49 people indexed on this census page (ia:1930:illinoiscensus00reel487:0256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Michael Loye | 41 | Head | — | Illinois |
| 52 | Rosalaw Loye | 29 | Wife | Laborer | Germany |
| 53 | Elizabeth Loye | 26 | Sister | — | Jugo-Slavia |
| 54 | Elizabeth Loye | 2 | Niece | — | Illinois |
| 55 | Mary Mccloud | 34 | Head | Engineer | Michigan |
| 56 | Arthur Mccloud | 11 | Son | — | Illinois |
| 57 | Lorraine Mccloud | 8 | Daughter | — | Illinois |
| 58 | Mary Lou Mccloud | 2 | Daughter | — | Illinois |
| 59 | Alphonse Emile | 72 | Head | Retired | Belgium |
| 60 | Adelina Emile | 64 | Wife | — | Belgium |
| 61 | Paulina Emile | 29 | Daughter | Post Office | Belgium |
| 62 | Clarence Powers | 38 | Head | Manager | Wisconsin |
| 63 | Helen Powers | 28 | Wife | — | Illinois |
| 64 | Fred Hinneman | 44 | Head | Capt. | Illinois |
| 65 | Wilhelmina Hinneman | 42 | Wife | — | Germany |
| 66 | Clyde Halton | 35 | Head | — | Illinois |
| 67 | Edward Halton | 31 | Brother | Laborer | Michigan |
| 68 | Beulah Myrtle Halton | 1 | Daughter | — | Illinois |
| 69 | Anton Gunner | 57 | Head | Cobbler | Hungary |
| 70 | Mary Gunner | 49 | Wife | — | Hungary |
| 71 | Josephine Gunner | 25 | Daughter | Packing Clerk | Hungary |
| 72 | John Szadarf | 38 | Head | Cabinet Maker | Hungary |
| 73 | Magdalen Szadarf | 36 | Wife | — | Hungary |
| 74 | John Szadarf | 12 | Son | — | Hungary |
| 75 | Joseph Szadarf | 7 | Son | — | Hungary |
| 76 | Thomas Berry | 50 | Head | Truck Helper | Indiana |
| 77 | Nellie Berry | 41 | Wife | — | Illinois |
| 78 | Emil Mohring | 64 | Head | Master Tailor | Germany |
| 79 | Emma Mohring | 54 | Wife | — | Germany |
| 80 | James Byrne | 45 | Head | Printer | Germany |
| 81 | Mary Byrne THIS PERSON | 45 | Wife | — | Illinois |
| 82 | Raymond Byrne | 21 | Son | Clerk | Illinois |
| 83 | Herbert Byrne | 18 | Son | Clerk | Illinois |
| 84 | Gilbert Byrne | 16 | Son | — | Illinois |
| 85 | Harold Byrne | 8 | Son | — | Illinois |
| 86 | Frank Jr Byrne | 6 | Son | — | Illinois |
| 87 | Ralph Delamater | 44 | Head | Mechanic | Indiana |
| 88 | Lillie Delamater | 43 | Wife | — | Indiana |
| 89 | Mildred Delamater | 21 | Daughter | Post Office | Indiana |
| 90 | Earl Delamater | 14 | Son | — | Indiana |
| 91 | Michael Kula | 46 | Head | Carpenter | Germany |
| 92 | Nora Kula | 42 | Wife | — | Ireland |
| 93 | Nicholas Kula | 23 | Son | Artist | Illinois |
| 94 | Mary Kula | 20 | Daughter | Stenographer | Illinois |
| 95 | Eleanor Kula | 19 | Daughter | Telephone Operator | Illinois |
| 96 | Vincent Kula | 16 | Son | — | Illinois |
| 97 | James Kula | 13 | Son | — | Illinois |
| 98 | Marguerite Kula | 9 | Daughter | — | Illinois |
| 99 | Michael Jr Kula | 7 | Son | — | 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)