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Mary Mcnamara — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Mcnamara across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 6-person household.
Age 54
b. ~1866
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Packing Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1886 |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1866 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Mcnamara | Daughter | — | 16 | ~1904 |
| Isabelle Mcnamara | Daughter | — | 13 | ~1907 |
| Catherine Mcnamara | Daughter | — | 31 | ~1889 |
| Margaret Mcnamara | Daughter | — | 18 | ~1902 |
| Mary Mcnamara | Head | — | 54 | ~1866 |
| Francis Mcnamara | Son | — | 8 | ~1912 |
Census Appearances
1920
Cook, Illinois
Head, age 54
Cook, Illinois · implied b. ~1866 — 6 household members
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Packing Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1886 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Other, age 66
Cook, Illinois · implied b. ~1864 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1921 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 72
Cook-County, Illinois · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Namara |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Mcnamara 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 Mcnamara
Head · 1920 · age 54 · b. ~1866 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu347unit:0731)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernard Flood | 45 | Head | Policeman | Ireland |
| 2 | Gael Flood | 38 | Wife | — | Ireland |
| 3 | Eugene Flood | 15 | Son | — | Illinois |
| 4 | Joseph Flood | 11 | Son | — | Illinois |
| 5 | Agnes Brady | 40 | Sister in law | Clerk | Ireland |
| 6 | Maurice Powers | 58 | Head | Inspector | Ireland |
| 7 | Mary Powers | 55 | Wife | — | Ireland |
| 8 | Otto Schuenemann | 36 | Head | Milkman | Germany |
| 9 | Martha Schuenemann | 37 | Wife | — | Illinois |
| 10 | Helen Schuenemann | 5 | Daughter | — | Illinois |
| 11 | Arthur Schuenemann | 3 | Son | — | Illinois |
| 12 | Bridget Murray | 50 | Head | — | Ireland |
| 13 | John Murray | 26 | Son | Laboring | Illinois |
| 14 | Mary Murray | 24 | Daughter | Coat Work | Illinois |
| 15 | Minnie Murray | 22 | Daughter | Operator | Illinois |
| 16 | James Murray | 19 | Son | Laboring | Illinois |
| 17 | Susan Scheidt | 54 | Head | — | Indiana |
| 18 | Charles Scheidt | 34 | Son | Laborer | Indiana |
| 19 | Mabel Scheidt | 32 | Daughter | Millinery | Indiana |
| 20 | Albert Scheidt | 28 | Son | Traffic Work | Indiana |
| 21 | Anthony Scheidt | 26 | Son | Teamster | Indiana |
| 22 | Louis Payne | 47 | Head | Laborer | Illinois |
| 23 | Dora Payne | 42 | Wife | — | Illinois |
| 24 | Robert Payne | 19 | Son | Fireman | Illinois |
| 25 | Graham Payne | 17 | Son | Yard Clerk | Illinois |
| 26 | Lenora Payne | 15 | Daughter | Seller | Illinois |
| 27 | Catherine Payne | 13 | Daughter | — | Illinois |
| 28 | George Payne | 11 | Son | — | Illinois |
| 29 | Florence Payne | 9 | Son | — | Illinois |
| 30 | Oliver Payne | 4 | Son | — | Illinois |
| 31 | George Brown | 39 | Boarder | Flagman | Illinois |
| 32 | Michael Reilly | 54 | Head | Laborer | Illinois |
| 33 | Mary Reilly | 49 | Wife | — | Illinois |
| 34 | Francis Reilly | 22 | Son | — | Illinois |
| 35 | Maude Reilly | 20 | Daughter | — | Illinois |
| 36 | Frank Reilly | 49 | Brother | Laboring | Illinois |
| 37 | Richard Funcheon | 42 | Head | Laborer | Ireland |
| 38 | Margaret Funcheon | 38 | Wife | — | Ireland |
| 39 | Richard Funcheon | 12 | Son | — | Illinois |
| 40 | Edward Funcheon | 10 | Son | — | Illinois |
| 41 | John Funcheon | 8 | Son | — | Illinois |
| 42 | Bernard French | 41 | Head | Laborer | Illinois |
| 43 | Elizabeth French | 34 | Wife | — | Illinois |
| 44 | Annette French | 10 | Daughter | — | Illinois |
| 45 | Mary Mcnamara THIS PERSON | 54 | Head | Laborer | Ireland |
| 46 | Catherine Mcnamara | 31 | Daughter | — | Illinois |
| 47 | Margaret Mcnamara | 18 | Daughter | Factory Work | Illinois |
| 48 | Anna Mcnamara | 16 | Daughter | Factory Work | Illinois |
| 49 | Isabelle Mcnamara | 13 | Daughter | — | Illinois |
| 50 | Francis Mcnamara | 8 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)