WN
William Nolan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Livingston-County, Illinois
Our Model Tree links this William Nolan across the 1920, 1930 and 1940 US Censuses in Livingston-County, Illinois (XGBoost, ~Confirmed), with identified parents Elizabeth & Thomas — first a head (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Livingston-County, Illinois |
| Surname | Nolan |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pontiac twp |
| 1935 Residence (County) | Livingston |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Pontiac Twp |
| Est. Birth Year | ~1894 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Nolan | Son | — | 19 | ~1921 |
| William Nolan | Head | — | 46 | ~1894 |
| Vera Nolan | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Livingston, Illinois
Son, age 26
Livingston, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Livingston, Illinois
Head, age 36
Livingston, Illinois · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Gen Farming |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Livingston-County, Illinois
Head, age 46
Livingston-County, Illinois · implied b. ~1894 — 3 household members
| Surname | Nolan |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pontiac twp |
| 1935 Residence (County) | Livingston |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 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 William Nolan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Nolan (~0.60 confidence) and father Thomas Nolan (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.6
Mother
Elizabeth Nolan
b. ~1889
Source mother
● Household
· direct · ~0.6
Father
Thomas Nolan
b. ~1892
Source father
● Household
· direct · ~0.6
This person
Anchor record
William Nolan
Head · 1940 · age 46 · b. ~1894 · Illinois
★ You are viewing this record
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-t0627-00837-00917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marjorie H. Ewing | 20 | Daughter | Teacher | Illinois |
| 42 | Mary E. Ewing | 17 | Daughter | — | Illinois |
| 43 | Dorothy H. Ewing | 15 | Daughter | — | Illinois |
| 44 | Jean Ewing | 14 | Daughter | — | Illinois |
| 45 | June Ewing | 8 | Daughter | — | Illinois |
| 46 | James H. Ewing | 54 | Brother | Farmer | Illinois |
| 47 | Frank A. Knoblauch | 51 | Head | Farmer | Illinois |
| 48 | Lena M. Knoblauch | 46 | Wife | — | Illinois |
| 49 | Thomas J. Mills | 26 | Head | Farmer | Illinois |
| 50 | Marie R. Mills | 20 | Wife | — | Illinois |
| 51 | John M. Hamilton | 52 | Head | Farmer | Illinois |
| 52 | Kathryn T. Hamilton | 41 | Wife | — | Illinois |
| 53 | John M. Jr. Hamilton | 10 | Son | — | Illinois |
| 54 | Carl Jachwendtner | 36 | Head | Farmer | Illinois |
| 55 | Eileen Jachwendtner | 33 | Wife | — | Illinois |
| 56 | Bernice Jachwendtner | 14 | Daughter | — | Illinois |
| 57 | Gladys M. Jachwendtner | 12 | Daughter | — | Illinois |
| 58 | Josephine Jachwendtner | 10 | Daughter | — | Illinois |
| 59 | Kathryn Jachwendtner | 7 | Daughter | — | Illinois |
| 60 | Alan Jachwendtner | 4 | Son | — | Illinois |
| 61 | Joseph C. Vitzthum | 53 | Lodger | Laborer | Illinois |
| 62 | Irvin D. Strane | 56 | Head | Farmer | Illinois |
| 63 | Ida M. Strane | 50 | Wife | — | Nebraska |
| 64 | Mildred M. Strane | 21 | Daughter | Teacher | Illinois |
| 65 | Mabel E. Strane | 21 | Daughter | Stenographer | Illinois |
| 66 | Louis E. Vitzthum | 56 | Head | Farmer | Illinois |
| 67 | Mayme A. Vitzthum | 55 | Wife | — | Illinois |
| 68 | Vincent Vitzthum | 20 | Son | Laborer | Illinois |
| 69 | William A. Nolan THIS PERSON | 46 | Head | Farmer | Illinois |
| 70 | Vera P. Nolan | 43 | Wife | — | Illinois |
| 71 | William J. Jr. Nolan | 19 | Son | — | Illinois |
| 72 | Justin P. Wolf | 37 | Head | Farmer | Illinois |
| 73 | Edna E. Wolf | 35 | Wife | — | Illinois |
| 74 | Frederick S. Hall | 47 | Head | — | Illinois |
| 75 | Mary A. Hall | 55 | Sister | — | Illinois |
| 76 | Herman Obert | 52 | Head | Farmer | Illinois |
| 77 | Truda Obert | 49 | Wife | — | Illinois |
| 78 | Alvin Obert | 27 | Son | Laborer | Illinois |
| 79 | Lorraine Obert | 21 | Daughter | Saleslady | Illinois |
| 80 | Henry Kiesewetter | 38 | Head | Farmer | Illinois |
Pedigree Summary
William
Gen 1 · 2 parents
~0.6
Max depth 4 (1900–1950 window)
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)