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Harry Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Harry Williams across the 1910, 1920 and 1930 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed), with identified parents Maud & Maude — first a son (b.~1908), then head of a 2-person household.
Age 22
b. ~1908
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Williams |
| Given Name | Harry J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Inspector |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Inspector |
| Township / Ward | St Louis |
| 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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Maude Williams | Head | — | 41 | ~1889 |
| Harry Williams | Son | — | 22 | ~1908 |
Census Appearances
1910
St Louis, …
Other, age 3
St Louis, Missouri · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harry |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Speaks English | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
X, Missouri
Son, age 12
X, Missouri · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harry J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
St Louis, …
Son, age 22
St Louis, Missouri · implied b. ~1908 — 2 household members
| Surname | Williams |
| Given Name | Harry J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | Inspector |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Harry Williams across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: mother Maud Williams (~0.92 confidence) and mother Maude Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Maud Williams
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Maude Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Williams
Son · 1930 · age 22 · b. ~1908 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1241:1102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mabel A. Jones | 54 | — | Saleswoman | Illinois |
| 52 | Benny Unterberger | 59 | Head | Salesman | Missouri |
| 53 | Fanny Unterberger | 53 | Wife | — | Missouri |
| 54 | Morris Unterberger | 23 | Son | Engineer | Missouri |
| 55 | Samuel M. Frank | 56 | Head | Broker | Russia |
| 56 | Stella Frank | 52 | Wife | — | Missouri |
| 57 | Florence Moler | 35 | Head | Branch Manager | Indiana |
| 58 | Maude Williams | 41 | Head | Secretary | Illinois |
| 59 | Harry J. Williams THIS PERSON | 22 | Son | Inspector | Washington |
| 60 | T. J. Carter | 67 | Head | — | Indiana |
| 61 | Elizabeth Carter | 35 | Daughter | Employment Supervisor | Texas |
| 62 | Emma Michaels | 48 | Head | Saleswoman | Missouri |
| 63 | Louis Michaels | 28 | Son | — | Missouri |
| 64 | Helen Kaplan | 65 | Head | — | Lithuania |
| 65 | Betty Kaplan | 30 | Daughter | Saleswoman | Missouri |
| 66 | Louis Kaplan | 28 | Son | Buyer | Missouri |
| 67 | Irene Susman | 45 | Head | Asst Credit Mgr | Illinois |
| 68 | Robert S. Susman | 16 | Son | — | Indiana |
| 69 | Samuel J. Zeigler | 30 | Head | Salesman | New York |
| 70 | Sadie Zeigler | 25 | Wife | — | Missouri |
| 71 | Morton S. Zeigler | 1 | Daughter | — | Missouri |
| 72 | Edward L. Pruitt | 24 | Head | Manager | Missouri |
| 73 | Lucile Pruitt | 23 | Wife | — | Missouri |
| 74 | Irwin L. Pruitt | 2 | Son | — | Missouri |
| 75 | Alexander J. Rosenberg | 60 | Head | Salesman | Russia |
| 76 | Sarah E. Rosenberg | 58 | Wife | — | Pennsylvania |
| 77 | Anna M. Rosenberg | 26 | Daughter | Trimmer | Missouri |
| 78 | Amos J. Gusselman | 38 | Head | State Bank Examiner | Missouri |
| 79 | Blanche S. Gusselman | 39 | Wife | — | Missouri |
| 80 | Amos J. Gusselman | 13 | Son | — | Missouri |
| 81 | Edna G. Gusselman | 11 | Daughter | — | Missouri |
| 82 | Connie B. Gilbert | 27 | Head | — | Tennessee |
| 83 | Arthur E. Leonhardt | 35 | Head | Salesman | Missouri |
| 84 | Edna V. Leonhardt | 31 | Wife | — | Missouri |
| 85 | Ruth A. Leonhardt | 9 | Daughter | — | Missouri |
| 86 | May Cunningham | 29 | Head | Stenographer | Oklahoma |
| 87 | Minerva Cunningham | 69 | Mother | — | Arkansas |
| 88 | Lillian Feltz | 28 | Boarder | Clerk | Missouri |
| 89 | Mabel Ludwig | 35 | Boarder | Saleslady | Illinois |
| 90 | Bertha Richlowitz | 65 | Head | — | Poland |
| 91 | Harry E. Richlowitz | 28 | Son | Salesman | Missouri |
| 92 | Benjamin Twohey | 34 | Head | Salesman | Russia |
| 93 | Lydia E. Twohey | 27 | Wife | — | Russia |
| 94 | Jacqueline L. Twohey | 2 | Daughter | — | Missouri |
| 95 | William W. Kay | 59 | Head | Claim Agent | Missouri |
| 96 | Clara G. Kay | 51 | Wife | — | Missouri |
| 97 | David J. Harris | 30 | Head | Pilot | Pennsylvania |
| 98 | Dorothy Harris | 30 | Wife | — | Indiana |
| 99 | Edwin W. Leonhardt | 40 | Head | Salesman | Missouri |
| 100 | Esther Leonhardt | 40 | Wife | — | Missouri |
Pedigree Summary
Harry
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)