JC
James Cavanaugh — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Washington, District of Columbia
Our Model Tree links this James Cavanaugh across the 1920 and 1930 US Censuses in Washington, District of Columbia (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 8-person household.
Age 49
b. ~1881
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, District of Columbia |
| Surname | CAVANAUGH |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Dist. Columbia |
| Mother's Birthplace | Dist. Columbia |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Market |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Proprietor |
| Township / Ward | Washington |
| Est. Birth Year | ~1881 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Cavanaugh | Son | — | 18 | ~1912 |
| Ida Cavanaugh | Spouse | — | 50 | ~1880 |
| John Cavanaugh | Son | — | 20 | ~1910 |
| Dorothy Cavanaugh | Daughter | — | 21 | ~1909 |
| Mary Cavanaugh | Daughter | — | 10 | ~1920 |
| James Cavanaugh | Head | — | 49 | ~1881 |
| Robert Cavanaugh | Son | — | 7 | ~1923 |
| Francis Cavanaugh | Son | — | 15 | ~1915 |
Census Appearances
1920
None, District …
Head, age 39
None, District of Columbia · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | James A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Shipping Clerk |
| Industry | Packing Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | F |
| Birth State | Maryland |
| Birth Country | United States |
| Year of Naturalization | O |
| Birthplace (normalized) | maryland |
1930
Washington, District …
Head, age 49
Washington, District of Columbia · implied b. ~1881 — 8 household members
| Surname | CAVANAUGH |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Dist. Columbia |
| Mother's Birthplace | Dist. Columbia |
| Occupation | Proprietor |
| Industry | Market |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | 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 James Cavanaugh across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Cavanaugh
Head · 1930 · age 49 · b. ~1881 · District of Columbia
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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 — Washington, District of Columbia
Open full size
1930 US Federal Census — Washington, District of Columbia
Page Contents
27 people indexed on this census page (ia:1930:15thcensus296unit:0975)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacob H Shearer | 65 | Head | Clerk | Maryland |
| 2 | Mary F Shearer | 57 | Wife | — | Maryland |
| 3 | Herbert E Shearer | 26 | Son | Salesman | Dist. Columbia |
| 4 | Elmer Gray | 36 | Head | Chauffeur | Pennsylvania |
| 5 | Hazel E Gray | 33 | Wife | — | Virginia |
| 6 | Elmer J Gray | 6 | Son | — | Dist. Columbia |
| 7 | Robert D Gray | 4 | Son | — | Dist. Columbia |
| 8 | Timothy J Cavanaugh | 51 | Head | Salesman | Maryland |
| 9 | Mary Cavanaugh | 50 | Wife | — | Maryland |
| 10 | Joseph J Cavanaugh | 20 | Son | Inspector | Dist. Columbia |
| 11 | James Cavanaugh THIS PERSON | 49 | Head | Proprietor | Maryland |
| 12 | Ida T Cavanaugh | 50 | Wife | — | Maryland |
| 13 | Dorothy M Cavanaugh | 21 | Daughter | Secretary | Dist. Columbia |
| 14 | John M Cavanaugh | 20 | Son | — | Dist. Columbia |
| 15 | James J Cavanaugh | 18 | Son | Messenger | Dist. Columbia |
| 16 | Francis E Cavanaugh | 15 | Son | — | Dist. Columbia |
| 17 | Mary V Cavanaugh | 10 | Daughter | — | Dist. Columbia |
| 18 | Robert J Cavanaugh | 7 | Son | — | Dist. Columbia |
| 19 | Arthur G Melville | 27 | Head | Investigator | New York |
| 20 | Elizabeth Melville | 24 | Wife | — | Dist. Columbia |
| 21 | Hope Melville | 2 | Daughter | — | Dist. Columbia |
| 22 | Stanley E Fisher | 40 | Boarder | Clerk | Maryland |
| 23 | Fred F Coleman | 37 | Head | Saleslady | Virginia |
| 24 | James D Coleman | 13 | Son | — | Virginia |
| 25 | Kyle N Fairfax | 33 | Head | Mechanic | Virginia |
| 26 | Luella E Fairfax | 27 | Wife | — | Virginia |
| 27 | Doris M Fairfax | 5 | Daughter | — | Dist. Columbia |
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)