FG
Frank Graham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Frank Graham across the 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 12-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Graham |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Warren Township |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Warren Township |
| Est. Birth Year | ~1928 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Helen Graham | Daughter | — | 15 | ~1925 |
| John Mullery | Other | — | 13 | ~1927 |
| Frank Graham | Son | — | 12 | ~1928 |
| Ann Graham | Daughter | — | 18 | ~1922 |
| Anna Graham | Spouse | — | 46 | ~1894 |
| Thomas Graham | Head | — | 62 | ~1878 |
| Walter Graham | Son | — | 11 | ~1929 |
| Thomas Graham | Son | — | 21 | ~1919 |
| Mary Graham | Daughter | — | 14 | ~1926 |
| Margaret Graham | Daughter | — | 10 | ~1930 |
| Elizabeth Graham | Daughter | — | 17 | ~1923 |
| Edward Graham | Son | — | 16 | ~1924 |
Census Appearances
1930
Lake, Illinois
Son, age 2
Lake, Illinois · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lake-County, Illinois
Son, age 12
Lake-County, Illinois · implied b. ~1928 — 12 household members
| Surname | Graham |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Warren Township |
| 1935 Residence (County) | Lake |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Frank Graham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Graham
Son · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Ann Graham
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Graham
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Graham
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Graham
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Graham
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Graham
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Graham
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Graham
Sibling · 1940 · age 11
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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00830-00447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Gripton | 42 | Wife | — | Illinois |
| 42 | Mary E. Gripton | 21 | Daughter | Packer | Illinois |
| 43 | Robert M. Gripton | 18 | Son | — | Illinois |
| 44 | John F. Williams | 39 | Head | Attorney | Illinois |
| 45 | Birdella Williams | 37 | Wife | Stenographer | Illinois |
| 46 | George Peterson | 44 | Head | Owner Manager | Michigan |
| 47 | Luella Peterson | 35 | Wife | — | Illinois |
| 48 | Warren Flood | 42 | Head | Line Man | Illinois |
| 49 | Carrie Flood | 49 | Wife | — | Illinois |
| 50 | Jewel Flood | 19 | Daughter | — | Illinois |
| 51 | Oscar Carlson | 55 | Head | Nurseryman | Sweden |
| 52 | Helen Carlson | 46 | Wife | — | Sweden |
| 53 | Sarah Flood | 67 | Head | — | Illinois |
| 54 | Laura Flood | 46 | Daughter | — | Illinois |
| 55 | Erma Flood | 42 | Daughter | — | Illinois |
| 56 | Julius Bostedt | 79 | Head | — | Germany |
| 57 | Minnie Bostedt | 74 | Wife | — | Germany |
| 58 | Cyril Bostedt | 33 | Son | Electrician | Illinois |
| 59 | Thomas Graham | 62 | Head | Farmer | Illinois |
| 60 | Anna Graham | 46 | Wife | — | Illinois |
| 61 | Thomas Graham | 21 | Son | — | Illinois |
| 62 | Elizabeth Graham | 17 | Daughter | Child Nurse | Illinois |
| 63 | Ann Graham | 18 | Daughter | New Worker | Illinois |
| 64 | Edward Graham | 16 | Son | — | Illinois |
| 65 | Helen Graham | 15 | Daughter | — | Illinois |
| 66 | Mary Graham | 14 | Daughter | — | Illinois |
| 67 | Frank Graham THIS PERSON | 12 | Son | — | Illinois |
| 68 | Walter Graham | 11 | Son | — | Illinois |
| 69 | Margaret Graham | 10 | Daughter | — | Illinois |
| 70 | John Mullery | 13 | Foster Son | — | Illinois |
| 71 | Harold Krueger | 36 | Head | Repair Man | Illinois |
| 72 | Martha Krueger | 33 | Wife | — | Missouri |
| 73 | Harold Jr. Krueger | 7 | Son | — | Illinois |
| 74 | Victor De Meyer | 55 | Head | Farmer | Belgium |
| 75 | Adolphine De Meyer | 50 | Wife | — | Illinois |
| 76 | Marie De Meyer | 21 | Daughter | Clerical | Illinois |
| 77 | Eugene Ford | 16 | Hired help | Farm Hand | Illinois |
| 78 | Michael Kelly | 40 | Head | Laborer | Illinois |
| 79 | Lucille Kelly | 30 | Wife | — | Illinois |
| 80 | Bernard Jan Kelly | 8 | 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)