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Margaret Mcnamara — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Mcnamara across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 17-person household.
Age 12
b. ~1918
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada-Irish |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1918 |
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.
17 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| James Mcnamara | Son | — | 8 | ~1922 |
| William Mcnamara | Son | — | 17 | ~1913 |
| Harry Spanos | Son | — | 19 | ~1911 |
| Josephine Spanos | Daughter | — | 7 | ~1923 |
| Anna Mcnamara | Daughter | — | 14 | ~1916 |
| Alexander Spanos | Son | — | 5 | ~1925 |
| Lucille Mcnamara | Daughter | — | 5 | ~1925 |
| James Spanos | Son | — | 22 | ~1908 |
| Angeline Spanos | Spouse | — | 43 | ~1887 |
| Stella Spanos | Daughter | — | 15 | ~1915 |
| Lula Spanos | Daughter | — | 17 | ~1913 |
| Diana Spanos | Daughter | — | 11 | ~1919 |
| Bertha Spanos | Daughter | — | 8 | ~1922 |
| William Spanos | Son | — | 9 | ~1921 |
| Christ Spanos | Head | — | 53 | ~1877 |
| Mary Spanos | Daughter | — | 4 | ~1926 |
| Margaret Mcnamara | Daughter | — | 12 | ~1918 |
Census Appearances
1920
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada |
| Mother's Birthplace | Illinois |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 12
Cook, Illinois · implied b. ~1918 — 17 household members
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada-Irish |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 Margaret Mcnamara across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcnamara
Daughter · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Lucille Mcnamara
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Spanos
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Diana Spanos
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alexander Spanos
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcnamara
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mcnamara
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Spanos
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcnamara
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Spanos
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lula Spanos
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Spanos
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Spanos
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Spanos
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Spanos
Sibling · 1930 · age 22
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:illinoiscensus00reel443:0288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Erhardt Banks | 30 | Head | Truck Driver | Michigan |
| 52 | Anna Banks | 27 | Wife | — | Michigan |
| 53 | Douglas Banks | 3 | Son | — | Michigan |
| 54 | John Taylor | 22 | Head | Stone Cutter | Illinois |
| 55 | Katherine Taylor | 17 | Wife | — | Illinois |
| 56 | Ralph Gray | 41 | Head | Mill Wright | Iowa |
| 57 | Dorothy Gray | 38 | Wife | Mail Dept Clerk | Illinois |
| 58 | D. Walton Wood | 38 | Head | Carpenter | Indiana |
| 59 | Hazel Mae Wood | 32 | Wife | Stenographer | Ohio |
| 60 | Raymond Raymond | 19 | Head | Truck Driver | Missouri |
| 61 | Zora Raymond | 43 | Head | Dictaphone Op | Nebraska |
| 62 | Ralph S. Barlow | 48 | Head | Switch Inder | Minnesota |
| 63 | Cora Barlow | 57 | Wife | — | New York |
| 64 | Arthur W. Sands | 30 | Head | Motorman | W. Virginia |
| 65 | Janie G. Sands | 25 | Wife | — | Wisconsin |
| 66 | Fred B. Sands | 5 | Son | — | Indiana |
| 67 | Julius Schneider | 42 | Head | Manager | Illinois |
| 68 | Elsie Schneider | 24 | Wife | Waitress | Illinois |
| 69 | Samuel Vavra | 62 | Head | Tailor | Russia-Poland |
| 70 | Oliver Roanney | 50 | Head | Salesman | Canada-Eng |
| 71 | George Roanney | 27 | Son | Chemist | Illinois |
| 72 | Bertha Poulos | 15 | Daughter | — | Oklahoma |
| 73 | George Poulos | 65 | Father-in-Law | Merchant | Greece |
| 74 | Louis Poulos | 39 | Son-in-Law | Peddler | Greece |
| 75 | Christ Spanos | 53 | Head | Peddler | Greece |
| 76 | Angeline Spanos | 43 | Wife | — | Greece |
| 77 | James Spanos | 22 | Son | — | Illinois |
| 78 | Harry Spanos | 19 | Son | — | Illinois |
| 79 | Lula Spanos | 17 | Daughter | — | Illinois |
| 80 | Stella Spanos | 15 | Daughter | — | Illinois |
| 81 | Diana Spanos | 11 | Daughter | — | Illinois |
| 82 | William Spanos | 9 | Son | — | Illinois |
| 83 | Bertha Spanos | 8 | Daughter | — | Illinois |
| 84 | Josephine Spanos | 7 | Daughter | — | Illinois |
| 85 | Alexander Spanos | 5 | Son | — | Illinois |
| 86 | Mary Spanos | 4 | Daughter | — | Illinois |
| 87 | William Mcnamara | 17 | Son | — | Illinois |
| 88 | Anna M. Mcnamara | 14 | Daughter | — | Illinois |
| 89 | Margaret Mcnamara THIS PERSON | 12 | Daughter | — | Illinois |
| 90 | James Mcnamara | 8 | Son | — | Illinois |
| 91 | Lucille Mcnamara | 5 | Daughter | — | Illinois |
| 92 | — | None | — | — | — |
| 93 | — | None | — | — | — |
| 94 | — | None | — | — | — |
| 95 | — | None | — | — | — |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
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)