CW
Clifford Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this Clifford Williams across the 1920, 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | Williams |
| Given Name | Clifford |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Walkerville |
| 1935 Residence (County) | Silver Bow |
| Additional Details | |
| Occupation | Clerk |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Clerk |
| Township / Ward | Walkerville |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clifford | Age | Birth yr |
|---|---|---|---|---|
| Adeline Williams | Spouse | — | 29 | ~1911 |
| Clifford Williams | Head | — | 29 | ~1911 |
| Clark Williams | Son | — | 5 | ~1935 |
Census Appearances
1920
Silver Bow, …
Son, age 9
Silver Bow, Montana · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Clifford |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Michigan |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Silver Bow, …
Son, age 19
Silver Bow, Montana · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Clifford |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Montana |
| Age at First Marriage | 19 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | England |
| Occupation | bookkeeper |
| Industry | insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | no |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Silver-Bow-County, Montana
Head, age 29
Silver-Bow-County, Montana · implied b. ~1911 — 3 household members
| Surname | Williams |
| Given Name | Clifford |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Walkerville |
| 1935 Residence (County) | Silver Bow |
| Occupation | Clerk |
| Industry | Life Insurance |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Clifford Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Williams (~0.92 confidence) and father William Williams (~0.92 confidence) and mother Grace Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Williams
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Williams
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Grace Williams
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clifford Williams
Head · 1940 · age 29 · b. ~1911 · Montana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Silver-Bow-County, Montana
Open full size
1940 US Federal Census — Silver-Bow-County, Montana
Page Contents
13 people indexed on this census page (nara:1940:m-t0627-02230-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl Williams | 35 | Head | Sampler | Montana |
| 42 | Isabel Williams | 35 | Wife | — | Montana |
| 43 | Jack Williams | 14 | Son | — | Montana |
| 44 | Clifford Williams THIS PERSON | 29 | Head | Clerk | Montana |
| 45 | Adeline Williams | 29 | Wife | — | Montana |
| 46 | Clark Williams | 5 | Son | — | Montana |
| 47 | Annie Blewett | 76 | Head | — | England |
| 48 | Charles Brunell | 51 | Head | Miner | Wisconsin |
| 49 | May Brunell | 47 | Wife | — | England |
| 50 | Edward Brunell | 24 | Son | Clerk | Montana |
| 51 | Danny Brunell | 22 | Son | Collector | Montana |
| 52 | Wilfred Brunell | 15 | Son | — | Montana |
| 53 | Harriet Atfield | 78 | Head | — | England |
Pedigree Summary
Clifford
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 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)