LS
Lawrence Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Lawrence Smith across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents William & Lulu — first a son (b.~1900), then head of a 9-person household.
Age 20
b. ~1900
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1900 |
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 1920 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Jane Smith | Daughter | — | 9 | ~1911 |
| Elaine Smith | Daughter | — | 7 | ~1913 |
| Clara Smith | Daughter | — | 18 | ~1902 |
| Frank Smith | Head | — | 43 | ~1877 |
| Robert Smith | Son | — | 15 | ~1905 |
| Edward Smith | Son | — | 11 | ~1909 |
| Paul Smith | Son | — | 13 | ~1907 |
| Lawrence Smith | Son | — | 20 | ~1900 |
| Josephine Smith | Spouse | — | 41 | ~1879 |
Census Appearances
1900
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Dec |
| Birth Year | 1899 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1900 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1900 — 9 household members
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| 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 |
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 Lawrence Smith across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and mother Lulu Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and mother Christine Smith (~0.92 confidence) and mother Josephine Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Lulu Smith
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Christine Smith
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Josephine Smith
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Smith
Son · 1920 · age 20 · b. ~1900 · Illinois
★ You are viewing this record
Sibling
Edward Smith
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Smith
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Smith
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Smith
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Smith
Sibling · 1920 · age 9
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu350unit:0534)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alexander Hiddie | 62 | Head | Stone Mason | Scotland |
| 2 | Mary Hiddie | 56 | Wife | — | Scotland |
| 3 | Mary Hiddie | 25 | Daughter | Decorator | Scotland |
| 4 | Katherine Cunningham | 51 | Boarder | Waitress | Scotland |
| 5 | John Dey | 71 | Head | Tower Man | England |
| 6 | Henrietta Dey | 62 | Wife | — | Ireland |
| 7 | Carl Hinchman | 28 | Step Son | Auto Repair | Ohio |
| 8 | Nellie Hinchman | 22 | Step Daughter | Stenographer | Ohio |
| 9 | Florence Hinchman | 13 | Grandson | — | Illinois |
| 10 | Reinhold Lumberg | 62 | Head | Real Estate | Pennsylvania |
| 11 | Sarah Lumberg | 47 | Wife | — | Illinois |
| 12 | John Grad | 36 | Head | Proprietor | Germany |
| 13 | Anna Grad | 36 | Wife | — | Illinois |
| 14 | Thaddeus Campbell | 60 | Head | Dispatcher | Pennsylvania |
| 15 | Mary Campbell | 47 | Wife | — | New York |
| 16 | Gene Campbell | 19 | Daughter | Transcriber | Illinois |
| 17 | Albert Hepke | 60 | Head | Laborer | Germany |
| 18 | Mary Hepke | 50 | Wife | — | Germany |
| 19 | Stephen Haleiner | 41 | Head | Conductor | Illinois |
| 20 | Hattie Haleiner | 45 | Wife | — | Michigan |
| 21 | Lois Haleiner | 4 | Daughter | — | Illinois |
| 22 | Marie Hutchins | 79 | Mother | — | Germany |
| 23 | Bernard Guerin | 39 | Head | Salesman | Illinois |
| 24 | Hester Guerin | 39 | Wife | — | New Jersey |
| 25 | Bernard Guerin | 12 | Son | — | Illinois |
| 26 | Gloria Guerin | 11 | Son | — | Illinois |
| 27 | Francis Guerin | 8 | Son | — | Illinois |
| 28 | Wilson Guerin | 6 | Son | — | Illinois |
| 29 | Margaret Guerin | 4 | Daughter | — | Illinois |
| 30 | Dolores Guerin | 2 | Daughter | — | Illinois |
| 31 | Juanita Guerin | 1 | Son | — | Illinois |
| 32 | George Thomasson | 27 | Head | Locomotive Engineer | Illinois |
| 33 | Kathleen Thomasson | 24 | Wife | — | Ireland |
| 34 | Kathleen Thomasson | 3 | Daughter | — | Illinois |
| 35 | Frank Smith | 43 | Head | Manager | Illinois |
| 36 | Josephine Smith | 41 | Wife | — | Illinois |
| 37 | Lawrence Smith THIS PERSON | 20 | Son | — | Illinois |
| 38 | Clara Smith | 18 | Daughter | Stenographer | Illinois |
| 39 | Robert Smith | 15 | Son | — | Illinois |
| 40 | Paul Smith | 13 | Son | — | Illinois |
| 41 | Edward Smith | 11 | Son | — | Illinois |
| 42 | Jane Smith | 9 | Daughter | — | Illinois |
| 43 | Elaine Smith | 7 | Daughter | — | Illinois |
| 44 | Leonard Bloom | 31 | Head | Chauffeur | Indiana |
| 45 | Hannah Bloom | 29 | Wife | — | Illinois |
| 46 | Barbara Miller | 63 | Aunt | Janitress | Illinois |
| 47 | Joseph Miller | 23 | Cousin | Artist | Illinois |
| 48 | Grant B Martin | 52 | Head | Motorman | Illinois |
| 49 | Mary B Martin | 51 | Wife | — | Illinois |
| 50 | Leslie C Martin | 25 | Son | Bookkeeper | Illinois |
Related Census Records
Pedigree Summary
Lawrence + 6 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)