FS
Francis Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Livingston-County, Illinois
Our Model Tree links this Francis Sullivan across the 1920, 1930 and 1940 US Censuses in Livingston-County, Illinois (XGBoost, ~Confirmed), with identified parents Blanche & James — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Livingston-County, Illinois |
| Surname | Sullivan |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Odell twp |
| 1935 Residence (County) | Livingston |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Odell Twp |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Bessie Sullivan | Daughter | — | 14 | ~1926 |
| Blanche Sullivan | Spouse | — | 51 | ~1889 |
| Lawrence Bloxam | Other | — | 11 | ~1929 |
| Francis Sullivan | Son | — | 25 | ~1915 |
| James Sullivan | Head | — | 51 | ~1889 |
| Robert Bloxam | Other | — | 9 | ~1931 |
| Grace Sullivan | Daughter | — | 16 | ~1924 |
| Alice Sullivan | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Livingston, Illinois
Son, age 5
Livingston, Illinois · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Livingston, Illinois
Son, age 15
Livingston, Illinois · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Francis L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Livingston-County, Illinois
Son, age 25
Livingston-County, Illinois · implied b. ~1915 — 8 household members
| Surname | Sullivan |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Odell twp |
| 1935 Residence (County) | Livingston |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| 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 Francis Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Blanche Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Blanche Sullivan
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1889
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Francis Sullivan
Son · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Bessie Sullivan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Sullivan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Sullivan
Sibling · 1940 · age 16
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-t0627-00837-00584)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Matt J. Miller | 43 | Head | Farmer | Illinois |
| 42 | Cecilia I. Miller | 42 | Wife | — | Illinois |
| 43 | Mary Lou Miller | 5 | Daughter | — | — |
| 44 | Cecilia Pendergast | 77 | Mother-in-law | — | New York |
| 45 | Julia Pendergast | 54 | Sister-in-law | — | Illinois |
| 46 | Rose E. Pendergast | 49 | Sister-in-law | — | Illinois |
| 47 | James Sullivan | 51 | Head | Farmer | Illinois |
| 48 | Blanche Sullivan | 51 | Wife | — | Illinois |
| 49 | Francis Sullivan THIS PERSON | 25 | Son | Farmer | Illinois |
| 50 | Alice Sullivan | 19 | Daughter | — | Illinois |
| 51 | Grace Sullivan | 16 | Daughter | — | Illinois |
| 52 | Bessie Sullivan | 14 | Daughter | — | Illinois |
| 53 | Lawrence Bloxam | 11 | Nephew | — | Illinois |
| 54 | Robert Bloxam | 9 | Nephew | — | Illinois |
| 55 | John Hagger | 49 | Head | Farmer | Switzerland |
| 56 | Mary Hagger | 46 | Wife | — | Illinois |
| 57 | Mary L. Hagger | 16 | Daughter | — | Illinois |
| 58 | John E. Hagger | 14 | Son | — | Illinois |
| 59 | Frances M. Hagger | 11 | Daughter | — | Illinois |
| 60 | Bernadine Hagger | 9 | Daughter | — | Illinois |
| 61 | James Hagger | 7 | Son | — | Illinois |
| 62 | Joan Hagger | 4 | Daughter | — | — |
| 63 | Lester S. Heath | 42 | Head | Farmer | Illinois |
| 64 | Mae Belle Heath | 40 | Wife | — | Kentucky |
| 65 | Robert L. Heath | 4 | Son | — | — |
| 66 | Janet C. Heath | 0 | Daughter | — | — |
| 67 | William Miller | 54 | Head | Farmer | Illinois |
| 68 | Anna Miller | 53 | Sister | — | Illinois |
| 69 | James B. Muir | 50 | Head | Farmer | Illinois |
| 70 | Violet Muir | 37 | Wife | — | Iowa |
| 71 | Robert Muir | 4 | Son | — | — |
| 72 | Bonnie A. Muir | 3 | Daughter | — | — |
| 73 | Earl Muir | 2 | Son | — | — |
| 74 | Helen Muir | 0 | Daughter | — | — |
| 75 | Fred S. Muir | 47 | Head | Farmer | Illinois |
| 76 | Margaret Muir | 38 | Wife | — | Iowa |
| 77 | Mary Ann Muir | 14 | Daughter | — | Illinois |
| 78 | Charles F. Muir | 10 | Son | — | Illinois |
| 79 | James R. Muir | 8 | Son | — | Illinois |
| 80 | Catherine Muir | 1 | Daughter | — | — |
Pedigree Summary
Francis + 3 siblings
Gen 1 · 3 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)