WC
William Chase — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this William Chase across the 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 11-person household.
Age 51
b. ~1889
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Chase |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Elec. Dist. #1 |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 626 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Elec Dist 1 |
| Est. Birth Year | ~1889 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Clementi | Other | — | 7 | ~1933 |
| Joseph Chase | Son | — | 11 | ~1929 |
| Catherine Chase | Spouse | — | 49 | ~1891 |
| Wayne Clementi | Other | — | 5 | ~1935 |
| Nelson Chase | Son | — | 13 | ~1927 |
| Herbert Chase | Son | — | 16 | ~1924 |
| John Chase | Son | — | 21 | ~1919 |
| James Clementi | Other | — | 9 | ~1931 |
| William Chase | Head | — | 51 | ~1889 |
| Catherine Clementi | Other | — | 12 | ~1928 |
| Gage Chase | Daughter | — | 23 | ~1917 |
Census Appearances
1930
Montgomery, Maryland
Head, age 44
Montgomery, Maryland · implied b. ~1886 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Head, age 51
Montgomery-County, Maryland · implied b. ~1889 — 11 household members
| Surname | Chase |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Elec. Dist. #1 |
| 1935 Residence (County) | Montgomery |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 626 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Chase across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Chase
Head · 1940 · age 51 · b. ~1889 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Maryland
Open full size
1940 US Federal Census — Montgomery-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01553-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Carter | 27 | Daughter | Maid | Maryland |
| 42 | Marea Morris | 6 | Daughter | Laborer | Maryland |
| 43 | Howard G. Jackson | 2 | Foster son | — | Maryland |
| 44 | William H. Simpson | 55 | Head | Farmer | Maryland |
| 45 | Mattie B. Simpson | 55 | Wife | Operator, Grader | Maryland |
| 46 | George Gaither | 20 | Foster son | Truck Driver | Maryland |
| 47 | Thos. E. Frazer | 6 | Foster son | — | Maryland |
| 48 | Eva S. Prather | 51 | Head | — | Maryland |
| 49 | Ernestine Prather | 15 | Daughter | — | Maryland |
| 50 | Elaine Prather | 10 | Daughter | — | Maryland |
| 51 | Shirley Washington | 4 | Granddaughter | — | Maryland |
| 52 | Hazeberry Nichols | 30 | Nephew | — | Maryland |
| 53 | Edwin C. Fry | 42 | Head | Farmer | Maryland |
| 54 | Susan C. Fry | 38 | Wife | — | Maryland |
| 55 | Edwin C. Fry | 16 | Son | — | Maryland |
| 56 | George C. Fry | 14 | Son | — | Maryland |
| 57 | Frederick A. Fry | 10 | Son | — | Maryland |
| 58 | Amy E. Fry | 7 | Daughter | — | Maryland |
| 59 | Nancy R. Fry | 3 | Daughter | — | Maryland |
| 60 | William Chase THIS PERSON | 51 | Head | Laborer | Maryland |
| 61 | Catherine Chase | 49 | Wife | Maid | Maryland |
| 62 | Gage E. Chase | 23 | Daughter | — | Maryland |
| 63 | John S. Chase | 21 | Son | — | Maryland |
| 64 | Herbert T. Chase | 16 | Son | — | Maryland |
| 65 | Nelson Chase | 13 | Son | — | Maryland |
| 66 | Joseph Chase | 11 | Son | — | Maryland |
| 67 | Catherine Clementi | 12 | Granddaughter | — | Maryland |
| 68 | James H. Clementi | 9 | Grandson | — | Maryland |
| 69 | Thomas Clementi | 7 | Grandson | — | Maryland |
| 70 | Wayne A. Clementi | 5 | Grandson | — | Maryland |
| 71 | Lansdale G. Best | 30 | Head | Salesman | Maryland |
| 72 | Gladys M. Best | 35 | Wife | — | Md. |
| 73 | Eddie Morris | 53 | Head | Carpenter | Kentucky |
| 74 | Ruby Morris | 42 | Wife | — | Kentucky |
| 75 | Harold Morris | 16 | Son | — | Kentucky |
| 76 | Paul L. Morris | 12 | Son | — | Kentucky |
| 77 | Jean M. Morris | 9 | Son | — | Kentucky |
| 78 | John T. Willis | 35 | Head | Laborer | Virginia |
| 79 | Bertha B. Willis | 33 | Wife | — | Virginia |
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)