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John Chase — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Calvert, Maryland
Our Model Tree links this John Chase across the 1920 and 1930 US Censuses in Calvert, Maryland (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 10-person household.
Age 55
b. ~1875
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Calvert, Maryland |
| Surname | Chase |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Genl Farm |
| Class of Worker | OA |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | 1St Election Dist |
| Est. Birth Year | ~1875 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eugene Chase | Son | — | 21 | ~1909 |
| John Chase | Son | — | 10 | ~1920 |
| Helen Chase | Daughter | — | 5 | ~1925 |
| Ray Chase | Son | — | 2 | ~1928 |
| John Chase | Head | — | 55 | ~1875 |
| Minta Chase | Daughter | — | 8 | ~1922 |
| Mary Chase | Spouse | — | 52 | ~1878 |
| Ruth Chase | Daughter | — | 14 | ~1916 |
| Alfred Chase | Son | — | 24 | ~1906 |
| Collins Chase | Son | — | 18 | ~1912 |
Census Appearances
1920
Calvert, Maryland
Head, age 47
Calvert, Maryland · implied b. ~1873 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Calvert, Maryland
Head, age 55
Calvert, Maryland · implied b. ~1875 — 10 household members
| Surname | Chase |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Genl Farm |
| Class of Worker | OA |
| Can Read/Write | No |
| Home Owned/Rented | R |
| 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 John Chase across 2 US Census years (1920 and 1930) in Calvert, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
John Chase
Head · 1930 · age 55 · b. ~1875 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Calvert, Maryland
Open full size
1930 US Federal Census — Calvert, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus871unit:0762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jennie Lyons | 53 | Wife-H | — | Maryland |
| 52 | King Thos. H. Lyons | 49 | Lodger | Laborer | Maryland |
| 53 | John W. Smith | 30 | Head | Farmer | Maryland |
| 54 | Elsie E. Smith | 26 | Wife | — | Maryland |
| 55 | Calvin Smith | 9 | Son | — | Maryland |
| 56 | Clarence Smith | 4 | Son | — | Maryland |
| 57 | Hazel Smith | 3 | Daughter | — | Maryland |
| 58 | Dallas Kent | 29 | Brother-in-law | Laborer | Maryland |
| 59 | James A. Watson | 27 | Head | Mechanic | Maryland |
| 60 | Mabel F. Watson | 23 | Wife | — | Maryland |
| 61 | Harry Coy | 52 | Head | Farmer | Maryland |
| 62 | Ethel L. Coy | 45 | Wife | — | Maryland |
| 63 | Hazel Coy | 22 | Daughter | Clerk | Maryland |
| 64 | Warren Jones | 37 | Head | Farmer | Maryland |
| 65 | Blanche Jones | 34 | Wife | — | Maryland |
| 66 | Mary V. Jones | 12 | Daughter | — | Maryland |
| 67 | Gertie Jones | 10 | Daughter | — | Maryland |
| 68 | Gertrude Jones | 8 | Daughter | — | Maryland |
| 69 | Marvin Jones | 6 | Son | — | Maryland |
| 70 | Warren Jr. Jones | 3 | Son | — | Maryland |
| 71 | Wesley Jones | 1 | Son | — | Maryland |
| 72 | Samuel E. Thomas | 40 | Head | Farmer | Maryland |
| 73 | Elizabeth Thomas | 40 | Wife-H | — | Maryland |
| 74 | Percy Chew | 34 | Head | Laborer | Maryland |
| 75 | Gladys M. Chew | 32 | Wife | — | Maryland |
| 76 | Merton Chew | 14 | Son | Laborer | Maryland |
| 77 | Myrtle Chew | 13 | Daughter | — | Maryland |
| 78 | Hilda Chew | 11 | Daughter | — | Maryland |
| 79 | Dorothy Chew | 2 | Daughter | — | Maryland |
| 80 | Benj. Chew | 16 | Brother | Laborer | Maryland |
| 81 | Mary A. Thomas | 72 | H | — | Maryland |
| 82 | Alice M. Thomas | 19 | Daughter | — | Maryland |
| 83 | James H. Diggs | 56 | Boarder | Farmer | Maryland |
| 84 | Andrew Mackall | 28 | Head | Farmer | Maryland |
| 85 | Eva Mackall | 23 | Wife-H | — | Maryland |
| 86 | James A. Mackall | 5 | Son | — | Maryland |
| 87 | Leonard Mackall | 4 | Son | — | Maryland |
| 88 | Nellie V. Mackall | 2 | Daughter | — | Maryland |
| 89 | Margaret Mackall | 1 | Daughter | — | Maryland |
| 90 | Thomas Parker | 15 | Son | Laborer | Maryland |
| 91 | John W. Chase THIS PERSON | 55 | Head | Farmer | Maryland |
| 92 | Mary Chase | 52 | Wife | — | Maryland |
| 93 | Alfred Chase | 24 | Son | Laborer | Maryland |
| 94 | Eugene Chase | 21 | Son | Laborer | Maryland |
| 95 | Collins Chase | 18 | Son | Laborer | Maryland |
| 96 | Ruth Chase | 14 | Daughter | — | Maryland |
| 97 | John Chase | 10 | Son | — | Maryland |
| 98 | Minta Chase | 8 | Daughter | — | Maryland |
| 99 | Helen Chase | 5 | Daughter | — | Maryland |
| 100 | Ray Chase | 2 | Son | — | Maryland |
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)