JM
John Mcnally — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Mcnally across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 13-person household.
Age 22
b. ~1908
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McNally |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1908 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Raymond Mcnally | Son | — | 4 | ~1926 |
| John Mcnally | Son | — | 22 | ~1908 |
| Alice Mcnally | Spouse | — | 45 | ~1885 |
| Thomas Mcnally | Son | — | 20 | ~1910 |
| Ruth Mcnally | Daughter | — | 16 | ~1914 |
| Edward Mcnally | Son | — | 11 | ~1919 |
| Robert Mcnally | Son | — | 7 | ~1923 |
| Francis Mcnally | Son | — | 15 | ~1915 |
| Leo Mcnally | Son | — | 9 | ~1921 |
| William Mcnally | Son | — | 13 | ~1917 |
| Alice Mcnally | Daughter | — | 18 | ~1912 |
| James Mcnally | Head | — | 47 | ~1883 |
| Richard Mcnally | Son | — | 5 | ~1925 |
Census Appearances
1930
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1908 — 13 household members
| Surname | McNally |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 36
Cook-County, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Office Manager |
| Industry | Brokerage |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 4860 |
| 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 John Mcnally across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcnally
Son · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Ruth Mcnally
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcnally
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Mcnally
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcnally
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcnally
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Mcnally
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcnally
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcnally
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcnally
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcnally
Sibling · 1930 · age 5
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:illinoiscensus00reel436:0225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Pavelka | 31 | Head | Laborer | Jugoslavia |
| 52 | Alice Pavelka | 26 | Wife | — | Czechoslovakia |
| 53 | Mary Pavelka | 4 | Daughter | — | Illinois |
| 54 | Annie Pavelka | 2 | Daughter | — | Illinois |
| 55 | Michael Kutanick | 33 | Head | Laborer | Jugoslavia |
| 56 | Anthony Kutanick | 8 | Son | — | Illinois |
| 57 | Julia Kutanick | 6 | Daughter | — | Illinois |
| 58 | Summer Sadick | 42 | Roomer | Laborer | Jugoslavia |
| 59 | Joseph Luluczyk | 44 | Head | Laborer | Canada-French |
| 60 | Helen Luluczyk | 44 | Wife | — | Canada-French |
| 61 | Walter Luluczyk | 16 | Brother-in-law | Bookkeeper | Canada-English |
| 62 | Catherine Corwin | 61 | Head | — | New York State |
| 63 | Thomas Burn | 24 | Head | Laborer | Kentucky |
| 64 | Mary Burn | 18 | Wife | — | Kentucky |
| 65 | James P. Mcnally | 47 | Head | Shipping Clerk | Illinois |
| 66 | Alice C. Mcnally | 45 | Wife | — | Illinois |
| 67 | John P. Mcnally THIS PERSON | 22 | Son | Salesman | Illinois |
| 68 | Thomas Mcnally | 20 | Son | Stockman | Illinois |
| 69 | Alice Mcnally | 18 | Daughter | — | Illinois |
| 70 | Ruth Mcnally | 16 | Daughter | — | Illinois |
| 71 | Francis Mcnally | 15 | Son | — | Illinois |
| 72 | William Mcnally | 13 | Son | — | Illinois |
| 73 | Edward Mcnally | 11 | Son | — | Illinois |
| 74 | Leo Mcnally | 9 | Son | — | Illinois |
| 75 | Robert Mcnally | 7 | Son | — | Illinois |
| 76 | Richard Mcnally | 5 | Son | — | Illinois |
| 77 | Raymond Mcnally | 4 | Son | — | Illinois |
| 78 | Patrick Sinnott | 55 | Head | Laborer | Ireland-Free State |
| 79 | Bridget Sinnott | 48 | Wife | — | Ireland-Free State |
| 80 | Thomas Sinnott | 21 | Son | Laborer | Illinois |
| 81 | Eugenia Sinnott | 14 | Daughter | — | Illinois |
| 82 | Thomas Gilday | 41 | Head | Laborer | Ireland-Free State |
| 83 | Margaret Gilday | 44 | Wife | — | Ireland-Free State |
| 84 | Francis Gilday | 18 | Son | — | Illinois |
| 85 | Joseph Gilday | 14 | Son | — | Illinois |
| 86 | John Gilday | 12 | Son | — | Illinois |
| 87 | Catherine Gilday | 9 | Daughter | — | Illinois |
| 88 | Theresa Gilday | 8 | Daughter | — | Illinois |
| 89 | Josephine Gilday | 5 | Daughter | — | Illinois |
| 90 | Ann Gilday | 2 | Daughter | — | Illinois |
| 91 | Katherine Cuddy | 42 | Head | — | Ireland-Free State |
| 92 | Mary Cuddy | 22 | Daughter | — | Illinois |
| 93 | Catherine Cuddy | 21 | Daughter | — | Illinois |
| 94 | Matthew Cuddy | 19 | Son | Laborer | Illinois |
| 95 | Edward Cuddy | 15 | Son | — | Illinois |
| 96 | Thomas Cuddy | 13 | Son | — | Illinois |
| 97 | Mary Fitzgerald | 29 | Head | Clerk | Illinois |
| 98 | James Fitzgerald | 35 | Brother | Laborer | Illinois |
| 99 | Thomas Fitzgerald | 33 | Brother | Policeman | Illinois |
| 100 | William Fitzgerald | 31 | Brother | Salesman | 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)