WN
William Nolan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this William Nolan across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Garage |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 1568 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Proprietor |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1906 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Nolan | Other | — | 34 | ~1906 |
| William Nolan | Head | — | 62 | ~1878 |
| William Nolan | Other | — | 7 | ~1933 |
| William Nolan | Son | — | 34 | ~1906 |
| James Nolan | Other | — | 6 | ~1934 |
| Lorena Nolan | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Sangamon, Illinois
Son, age 13
Sangamon, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | William B Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Son, age 23
Sangamon, Illinois · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Manager |
| Industry | Service station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Son, age 34
Sangamon-County, Illinois · implied b. ~1906 — 6 household members
| Surname | Nolan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Occupation | Proprietor |
| Industry | Garage |
| Class of Worker | E |
| Hours Worked | 72 |
| Income (1939) | 1568 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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: father William Nolan (~0.92 confidence) and father William Nolan (~0.92 confidence) and father William Nolan (~0.92 confidence) and mother Louisa Nolan (~0.92 confidence) and mother Lorena Nolan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Nolan
b. ~1878
Source father
● Household
· direct · ~0.92
Father
William Nolan
b. ~1879
Source father
● Household
· direct · ~0.92
Father
William Nolan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Louisa Nolan
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Lorena Nolan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Nolan
Son · 1940 · age 34 · b. ~1906 · 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00884-00734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bonnie Hartman | 15 | Daughter | — | Illinois |
| 42 | Gaetano Volo | 69 | Head | — | Italy |
| 43 | Santa Volo | 60 | Wife | — | Italy |
| 44 | Thomas Cianferri | 44 | Head | Tailor | Italy |
| 45 | Josephine Cianferri | 42 | Wife | — | Italy |
| 46 | Thomas Cianferri | 11 | Son | — | Illinois |
| 47 | Nickie Cianferri | 9 | Son | — | Illinois |
| 48 | Rosalie Cianferri | 8 | Daughter | — | Illinois |
| 49 | John Cianferri | 6 | Son | — | Illinois |
| 50 | Lena Cianferri | 3 | Daughter | — | Illinois |
| 51 | Ella Battle | 43 | Head | Evangelist | Missouri |
| 52 | Joe Hineski | 36 | Head | Machinist | Illinois |
| 53 | Mary Hineski | 55 | Mother | — | Lithuania |
| 54 | Lester Koontz | 31 | Head | Cleaner & Presser | Illinois |
| 55 | Lillian Koontz | 33 | Wife | — | Illinois |
| 56 | June Koontz | 15 | Daughter | — | Illinois |
| 57 | Thomas Koontz | 12 | Son | — | Illinois |
| 58 | Edith Koontz | 8 | Daughter | — | Illinois |
| 59 | Delores Koontz | 6 | Daughter | — | Illinois |
| 60 | Iny Koontz | 2 | Daughter | — | Illinois |
| 61 | Dad Gibbs | 53 | Head | Truck Driver | Illinois |
| 62 | Mamie Gibbs | 49 | Wife | — | Arkansas |
| 63 | Wilma Gibbs | 19 | Daughter | New Worker | Illinois |
| 64 | Betty Gibbs | 17 | Daughter | New Worker | Illinois |
| 65 | Lorraine Gibbs | 13 | Daughter | — | Illinois |
| 66 | Velda Gibbs | 11 | Daughter | — | Illinois |
| 67 | Shirley Gibbs | 8 | Daughter | — | Illinois |
| 68 | Marilyn Gibbs | 7 | Daughter | — | Illinois |
| 69 | Orville Cooper | 49 | Head | Carpenter | Illinois |
| 70 | Katie Cooper | 43 | Wife | — | Illinois |
| 71 | Lloyd Cooper | 19 | Son | Gas Station Attendant | Illinois |
| 72 | George Chere | 32 | Head | Coal Miner | Illinois |
| 73 | Lorraine Chere | 21 | Wife | New Worker | Illinois |
| 74 | Betty Lou Chere | 2 | Daughter | — | Illinois |
| 75 | William Nolan | 62 | Head | Supply Room Keeper | Illinois |
| 76 | Lorena Nolan | 60 | Wife | — | Illinois |
| 77 | William Nolan THIS PERSON | 34 | Son | Proprietor | Illinois |
| 78 | Eleanor Nolan | 34 | Daughter in law | — | Illinois |
| 79 | William B. Nolan | 7 | Grand son | — | Illinois |
| 80 | James J. Nolan | 6 | Grand son | — | Illinois |
Pedigree Summary
William
Gen 1 · 5 parents
~0.92
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)