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William Nolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Livingston-County, Illinois
Our Model Tree links this William Nolan across the 1930 and 1940 US Censuses in Livingston-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Livingston-County, Illinois |
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Dwight |
| 1935 Residence (County) | Livingston |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Dwight Village |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Nolan | Daughter | — | 9 | ~1931 |
| Rosemary Nolan | Daughter | — | 10 | ~1930 |
| Dorothy Nolan | Daughter | — | 6 | ~1934 |
| William Nolan | Son | — | 16 | ~1924 |
| Patricia Nolan | Daughter | — | 4 | ~1936 |
| Anderson Ealmer | Other | — | 39 | ~1901 |
| Julia Nolan | Spouse | — | 44 | ~1896 |
| Francis Nolan | Son | — | 7 | ~1933 |
| Michael Nolan | Head | — | 45 | ~1895 |
Census Appearances
1930
Livingston, Illinois
Son, age 6
Livingston, Illinois · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Livingston-County, Illinois
Son, age 16
Livingston-County, Illinois · implied b. ~1924 — 9 household members
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Dwight |
| 1935 Residence (County) | Livingston |
| Highest Grade | No 0 |
| 1935 Residence | Illinois |
| 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 William Nolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Nolan
Son · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Patricia Nolan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Nolan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Nolan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Nolan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Nolan
Sibling · 1940 · age 10
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
1940 US Federal Census — Livingston-County, Illinois
Open full size
1940 US Federal Census — Livingston-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00837-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Lauders Meier | 28 | Wife | — | Illinois |
| 42 | Harry Jr. Meier | 3 | Son | — | Illinois |
| 43 | Lewis H. Meier | 58 | Father-in-law | Laborer | Illinois |
| 44 | Donald Meier | 24 | Brother-in-law | Mechanic | Illinois |
| 45 | Howard Meier | 17 | Brother-in-law | Price Cutter | Illinois |
| 46 | Herman Krug | 42 | Head | Carpenter | Illinois |
| 47 | Louella Krug | 34 | Wife | — | Illinois |
| 48 | Majorie Krug | 12 | Daughter | — | Illinois |
| 49 | Earl Krug | 10 | Son | — | Illinois |
| 50 | Robert Krug | 9 | Son | — | Illinois |
| 51 | Marion R. Mcguire | 25 | Head | Machine Operator | Illinois |
| 52 | Millacent Mcguire | 24 | Wife | — | Wisconsin |
| 53 | Curtis Brumbley | 74 | Head | — | Indiana |
| 54 | Minnie Brumbley | 69 | Wife | — | Indiana |
| 55 | Ruth Brumbley | 44 | Daughter | Clerk | Indiana |
| 56 | Thelma Lana | 50 | Head | Gen. Housework | Illinois |
| 57 | Burle Lana | 14 | Son | — | Illinois |
| 58 | Sheppard Leonard | 54 | Friend | Guard | Illinois |
| 59 | George Horby | 44 | Head | Farming & Trucking | Illinois |
| 60 | Josephine Horby | 44 | Wife | — | Illinois |
| 61 | Donald Horby | 21 | Son | — | Illinois |
| 62 | Francis Horby | 19 | Son | New Worker | Illinois |
| 63 | Bernice Horby | 17 | Daughter | — | Illinois |
| 64 | Michael Nolan | 45 | Head | Mess Attendant | Illinois |
| 65 | Julia Nolan | 44 | Wife | — | Illinois |
| 66 | William Nolan THIS PERSON | 16 | Son | — | Illinois |
| 67 | Rosemary Nolan | 10 | Daughter | — | Illinois |
| 68 | Geraldine Nolan | 9 | Daughter | — | Illinois |
| 69 | Francis Nolan | 7 | Son | — | Illinois |
| 70 | Dorothy Nolan | 6 | Daughter | — | Illinois |
| 71 | Patricia Nolan | 4 | Daughter | — | Illinois |
| 72 | Anderson Ealmer | 39 | Lodger | Diker | Illinois |
| 73 | Oscar Christensen | 34 | Head | Repairman | Denmark |
| 74 | Evelyn Christensen | 25 | Wife | — | Illinois |
| 75 | Duane Christensen | 0 | Son | — | Illinois |
| 76 | Lyman Thurler | 50 | Head | Agent | Illinois |
| 77 | Matilda Thurler | 47 | Wife | — | Italy |
| 78 | Lyman Jr. Thurler | 13 | Son | — | Illinois |
| 79 | Lorraine Thurler | 12 | Daughter | — | Illinois |
| 80 | Donald Thurler | 5 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)