JC
John Clarke — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Fairfield, Connecticut
Our Model Tree links this John Clarke across the 1930 and 1940 US Censuses in Fairfield, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 9-person household.
Age 53
b. ~1877
Male
Head
Born: England
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Fairfield, Connecticut |
| Surname | Clarke |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Manager |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Manager |
| Township / Ward | Greenwich |
| Est. Birth Year | ~1877 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Stephen Clarke | Son | — | 25 | ~1905 |
| John Clarke | Head | — | 53 | ~1877 |
| Marion Clarke | Daughter | — | 8 | ~1922 |
| Cyrilla Clarke | Daughter | — | 18 | ~1912 |
| William Clarke | Son | — | 15 | ~1915 |
| Frances Clarke | Daughter | — | 13 | ~1917 |
| Anne Clarke | Other | — | 50 | ~1880 |
| Madeline Clarke | Daughter | — | 22 | ~1908 |
| Eleanor Clarke | Daughter | — | 21 | ~1909 |
Census Appearances
1930
Fairfield, Connecticut
Head, age 53
Fairfield, Connecticut · implied b. ~1877 — 9 household members
| Surname | Clarke |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Manager |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 12,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Fairfield-County, Connecticut
Head, age 64
Fairfield-County, Connecticut · implied b. ~1876 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Greenwich |
| 1935 Residence (County) | Fairfield |
| Naturalization Status | Naturalized |
| Occupation | Bookkeeper |
| Industry | Service Station |
| Class of Worker | PW |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Clarke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Clarke
Head · 1930 · age 53 · b. ~1877 · Connecticut
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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 — Fairfield, Connecticut
Open full size
1930 US Federal Census — Fairfield, Connecticut
Page Contents
50 people indexed on this census page (ia:1930:15thcensus257unit:0769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Clarke THIS PERSON | 53 | Head | Manager | England |
| 2 | Anne F Clarke | 50 | Wife-H | None | Irish Free State |
| 3 | Stephen Clarke | 25 | Son | Officer | Connecticut |
| 4 | Madeline Clarke | 22 | Daughter | Secretary | Connecticut |
| 5 | Eleanor Clarke | 21 | Daughter | Book Keeper | Connecticut |
| 6 | Cyrilla Clarke | 18 | Daughter | None | Connecticut |
| 7 | William Clarke | 15 | Son | None | Connecticut |
| 8 | Frances Clarke | 13 | Daughter | None | Connecticut |
| 9 | Marion Clarke | 8 | Daughter | None | Connecticut |
| 10 | Julia Gallen | 67 | Head | None | Irish Free State |
| 11 | Christopher Gallen | 70 | Brother | Night Watchman | Irish Free State |
| 12 | Julia Gallen | 30 | Daughter | Book Keeper | Connecticut |
| 13 | Loraine Thompson | 10 | Daughter | None | New Jersey |
| 14 | Bert Wietake | 43 | Head | Dairyman | Holland |
| 15 | Reimka Wietake | 46 | Wife-H | None | Holland |
| 16 | George Meyunk | 21 | Son | Service Man | Holland |
| 17 | Thomas Scott | 45 | Head | Proprietor | England |
| 18 | Barbara Scott | 54 | Wife-H | None | Scotland |
| 19 | Warren Simmons | 21 | Head | Machinist | Pennsylvania |
| 20 | Margaret Simmons | 20 | Wife-H | None | Irish Free State |
| 21 | Lewis Smith | 37 | Head | Laborer | New York |
| 22 | Mae Smith | 40 | Wife-H | None | Kansas |
| 23 | Frank De Luca | 54 | Head | Foreman | Italy |
| 24 | Rose De Luca | 47 | Wife-H | None | Italy |
| 25 | Emma De Luca | 25 | Daughter | Stenographer | Connecticut |
| 26 | Anthony De Luca | 22 | Son | Carpenter | Connecticut |
| 27 | Genevieve De Luca | 20 | Daughter | None | Connecticut |
| 28 | Caroline De Luca | 18 | Daughter | None | Connecticut |
| 29 | Charles De Luca | 16 | Son | None | Connecticut |
| 30 | Florence De Luca | 13 | Daughter | None | Connecticut |
| 31 | Esther De Luca | 10 | Daughter | None | Connecticut |
| 32 | Hans Stumpf | 49 | Head | Baker | Germany |
| 33 | Louise Stumpf | 38 | Wife-H | None | Germany |
| 34 | Charles Stumpf | 2 | Son | None | Connecticut |
| 35 | Robert Knapp | 56 | Head | Proprietor | Connecticut |
| 36 | Beatrice Knapp | 44 | Wife-H | None | Irish Free State |
| 37 | Frank L White | 27 | Head | Builder | Massachusetts |
| 38 | Margaret White | 27 | Wife-H | None | Connecticut |
| 39 | Humphrey Lynch | 45 | Head | Chauffeur | Irish Free State |
| 40 | Wilda J Lynch | 42 | Wife-H | None | Irish Free State |
| 41 | Jeremiah Sullivan | 47 | Brother-in-law | Gardener | Irish Free State |
| 42 | Rocco Russo | 43 | Head | Laborer | Italy |
| 43 | Carmella Russo | 48 | Wife-H | None | Italy |
| 44 | Michael Russo | 21 | Son | None | Connecticut |
| 45 | John Dahlberg | 53 | Head | Foreman | Sweden |
| 46 | Dagmar Dahlberg | 49 | Wife-H | None | Norway |
| 47 | Victor Dahlberg | 19 | Son | Draftsman | Connecticut |
| 48 | Harold Dahlberg | 17 | Son | None | Connecticut |
| 49 | Walter Dahlberg | 16 | Son | None | Connecticut |
| 50 | Edna Bullock | 39 | Head | Proprietor | Massachusetts |
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)