WA
William Alexander — 1930 US Census Record
Model Tree available1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this William Alexander across the 1920, 1930 and 1940 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed), with identified parents William & John — first a son (b.~1918), then head of a 6-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sangamon, Illinois |
| Surname | Alexander |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Barbara Alexander | Daughter | — | 15 | ~1915 |
| Hilda Alexander | Daughter | — | 13 | ~1917 |
| Mary Alexander | Daughter | — | 17 | ~1913 |
| William Alexander | Head | — | 44 | ~1886 |
| William Alexander | Son | — | 12 | ~1918 |
| Margaret Alexander | Spouse | — | 38 | ~1892 |
Census Appearances
1920
Sangamon, Illinois
Son, age
Sangamon, Illinois · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | William Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Son, age 12
Sangamon, Illinois · implied b. ~1918 — 6 household members
| Surname | Alexander |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Son, age 23
Sangamon-County, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexandria |
| Given Name | Wilber |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Occupation | attendant |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 416 |
| Highest Grade | H 8 |
| 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 William Alexander across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Alexander (~0.92 confidence) and father John Alexandria (~0.92 confidence) and mother Bertha Alexandria (~0.92 confidence) and mother Margaret Alexander (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Alexander
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Alexandria
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Bertha Alexandria
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Margaret Alexander
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Alexander
Son · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Barbara Alexander
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Alexander
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Alexander
Sibling · 1930 · age 13
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
1930 US Federal Census — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel558:0872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irving C. Morgan | 49 | Head | Proprietor | Illinois |
| 2 | Elizabeth Morgan | 45 | Wife | Clerk | Illinois |
| 3 | Clifford Morgan | 25 | Son | Clerk | Illinois |
| 4 | Hazel Morgan | 25 | Daughter-in-law | — | Illinois |
| 5 | Betty Morgan | 6 | Grand-daughter | — | Illinois |
| 6 | Gayle Morgan | 4 | Grand-daughter | — | Illinois |
| 7 | Irving Jr. Morgan | 2 | Grand-son | — | Illinois |
| 8 | Frank Nestenberger | 55 | Head | Salesman | Illinois |
| 9 | Lena Nestenberger | 52 | Wife | — | Illinois |
| 10 | Beulah Cooper | 33 | Step-daughter | Saleslady | Illinois |
| 11 | Isaac Shipley | 53 | Head | Switchman | Illinois |
| 12 | Mary Shipley | 46 | Wife | — | Illinois |
| 13 | Ida Shipley | 23 | Son | Messenger Boy | Illinois |
| 14 | Naomi Reed | 21 | Daughter | Icer | Illinois |
| 15 | Morris Shipley | 19 | Son | Office Boy | Illinois |
| 16 | Robert Shipley | 11 | Son | — | Illinois |
| 17 | Edwin Shipley | 8 | Son | — | Illinois |
| 18 | Emma Shipley | 5 | Daughter | — | Illinois |
| 19 | Ray Reed | 2 | Grand-son | — | Illinois |
| 20 | William Alexander | 44 | Head | Proprietor | England |
| 21 | Margaret Alexander | 38 | Wife | — | Missouri |
| 22 | Mary Alexander | 17 | Daughter | — | Illinois |
| 23 | Barbara Alexander | 15 | Daughter | — | Illinois |
| 24 | Hilda Alexander | 13 | Daughter | — | Illinois |
| 25 | William Jr. Alexander THIS PERSON | 12 | Son | — | Illinois |
| 26 | Pete Gullotta | 40 | Head | Proprietor | Italy |
| 27 | Rose Gullotta | 36 | Wife | — | Italy |
| 28 | Louise Gullotta | 9 | Daughter | — | Illinois |
| 29 | Mamie Gullotta | 7 | Daughter | — | Illinois |
| 30 | — | None | — | — | — |
| 31 | — | None | — | — | — |
| 32 | — | None | — | — | — |
| 33 | Ernest Budde | 63 | Head | Fireman | Germany |
| 34 | Sophrona Budde | 58 | Wife | — | Illinois |
| 35 | Roy Budde | 28 | Son | Employee | Illinois |
| 36 | Anna Budde | 28 | Daughter-in-law | — | Illinois |
| 37 | Marion Budde | 19 | Son | Odd Jobs | Illinois |
| 38 | Jeremiah Ward | 54 | Head | Janitor | Illinois |
| 39 | Margaret Ward | 45 | Wife | Saleslady | Illinois |
| 40 | Dolores Meishen | 48 | Sister-in-law | Servant | Illinois |
| 41 | James Suttle | 40 | Head | General Mch. | Illinois |
| 42 | Ethel Suttle | 39 | Wife | — | Illinois |
| 43 | James Jr. Suttle | 1 | Son | — | Illinois |
| 44 | Sue Micklus | 21 | Lodger | Saleslady | Illinois |
| 45 | Margaret Micklus | 18 | Lodger | Saleslady | Illinois |
| 46 | Thomas Gaffigan | 17 | Lodger | Clerk | Illinois |
| 47 | Charles Thill | 57 | Head | Carpenter | Indiana |
| 48 | Minnie Thill | 54 | Wife | — | Illinois |
| 49 | Homer Arthur | 30 | Step-son | Laborer | Illinois |
| 50 | Nettie Whitcomb | 42 | Sister-in-law | Dressmaker | Illinois |
Pedigree Summary
William + 3 siblings
Gen 1 · 4 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)