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Lawrence Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · Delaware, Iowa
Our Model Tree links this Lawrence Smith across the 1910, 1920 and 1930 US Censuses in Delaware, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Bertha — first a son (b.~1908), then head of a 4-person household.
Age 12
b. ~1908
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Delaware, Iowa |
| Surname | Smith |
| Given Name | Lawrence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Coffins Grove Township |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Alice Smith | Daughter | — | 4 | ~1916 |
| Henry Smith | Head | — | 41 | ~1879 |
| Lawrence Smith | Son | — | 12 | ~1908 |
| Bertha Smith | Spouse | — | 33 | ~1887 |
Census Appearances
1910
Delaware, Iowa
Son, age 3
Delaware, Iowa · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Delaware, Iowa
Son, age 12
Delaware, Iowa · implied b. ~1908 — 4 household members
| Surname | Smith |
| Given Name | Lawrence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Delaware, Iowa
Son, age 23
Delaware, Iowa · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Laurence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 (1910, 1920 and 1930) in Delaware, Iowa, using XGBoost record linkage. Identified parents: father Henry Smith (~0.92 confidence) and mother Bertha Smith (~0.92 confidence) and mother May Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bertha Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
May Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Smith
Son · 1920 · age 12 · b. ~1908 · Iowa
★ You are viewing this record
Sibling
Alice Smith
Sibling · 1920 · age 4
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 — Delaware, Iowa
Open full size
1920 US Federal Census — Delaware, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu487unit:0065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary J. Thomas | 74 | Mother | — | Michigan |
| 52 | Claude M. Thomas | 34 | Head | Farmer | Michigan |
| 53 | Lucille Thomas | 27 | Wife | — | Iowa |
| 54 | Evelyn L. Thomas | 6 | Daughter | — | Iowa |
| 55 | Eliza M. Van Barriger | 23 | Boarder | Teacher | Iowa |
| 56 | John Thomas | 38 | Head | Farmer | Iowa |
| 57 | Bessie J. Thomas | 35 | Wife | — | Iowa |
| 58 | Frank E. Lucas | 27 | Head | Farmer | Germany |
| 59 | Ada Lucas | 23 | Wife | — | Iowa |
| 60 | Ethel B. Lucas | 3 | Daughter | — | Iowa |
| 61 | Edna R. Lucas | 1 | Daughter | — | Iowa |
| 62 | John Lucas | 53 | Father | Farm Laborer | Germany |
| 63 | Wm. G. Rader | 55 | Head | Farmer | Germany |
| 64 | Mary E. Rader | 52 | Wife | — | Germany |
| 65 | George Rader | 25 | Son | Farm Laborer | Iowa |
| 66 | Lucile S. Rader | 18 | Daughter | — | Iowa |
| 67 | Francis E. Rader | 16 | Son | Farm Laborer | Iowa |
| 68 | Benjamin Rader | 14 | Son | — | Iowa |
| 69 | Patrick O'Brien | 65 | Head | Farmer | Wisconsin |
| 70 | Julia O'Brien | 59 | Wife | — | Iowa |
| 71 | John O'Brien | 27 | Son | Farm Laborer | Iowa |
| 72 | B. W. Harris | 40 | Head | Farmer | Iowa |
| 73 | Edith B. Harris | 38 | Wife | — | Iowa |
| 74 | Velma S. Harris | 12 | Daughter | — | Iowa |
| 75 | Henry W. Gillespie | 56 | Head | Farmer | Iowa |
| 76 | H. A. Harvey | 44 | Head | Farmer | Iowa |
| 77 | Anna Harvey | 46 | Wife | — | Iowa |
| 78 | Howard A. Harvey | 18 | Son | Farm Laborer | Iowa |
| 79 | Kathleen Harvey | 16 | Daughter | — | Iowa |
| 80 | Harry V. Harvey | 9 | Son | — | Iowa |
| 81 | Juanita Harvey | 4 | Daughter | — | Iowa |
| 82 | Chas. Harvey | 2 | Son | — | Iowa |
| 83 | Albert Johnson | 53 | Head | Farmer | Sweden |
| 84 | Emma Johnson | 56 | Wife | — | Iowa |
| 85 | Walter Johnson | 4 | Son | — | Iowa |
| 86 | Ross H. Holmes | 44 | Head | Farmer | Iowa |
| 87 | Martha B. Holmes | 34 | Wife | — | Iowa |
| 88 | Laura M. Holmes | 10 | Daughter | — | Iowa |
| 89 | Alice Holmes | 8 | Daughter | — | Iowa |
| 90 | Alta G. Holmes | 6 | Daughter | — | Iowa |
| 91 | Beulah D. Holmes | 3 | Daughter | — | Iowa |
| 92 | Henry C. Heiserman | 46 | Head | Farmer | Iowa |
| 93 | Mabel F. Heiserman | 27 | Wife | — | Iowa |
| 94 | Henry A. Smith | 41 | Head | Farmer | Iowa |
| 95 | Bertha M. Smith | 33 | Wife | — | Iowa |
| 96 | Lawrence W. Smith THIS PERSON | 12 | Son | — | Iowa |
| 97 | Alice M. Smith | 4 | Daughter | — | Iowa |
| 98 | Peter Zeller | 42 | Head | Farmer | Wisconsin |
| 99 | Anna Zeller | 43 | Wife | — | Iowa |
| 100 | Marie Zeller | 15 | Daughter | — | Iowa |
Pedigree Summary
Lawrence + 1 sibling
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 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)