JG
John Grace — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Providence, Rhode Island
Our Model Tree links this John Grace across the 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 8-person household.
Age 44
b. ~1886
Male
Head
Born: Azores
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Providence, Rhode Island |
| Surname | Grace |
| Given Name | John Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Azores |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 19 |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Additional Details | |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Home Owned/Rented | R |
| Home Value / Rent | 16 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
| Occupation | Helper |
| Township / Ward | Providence City |
| Est. Birth Year | ~1886 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Roseline Grace | Other | — | 33 | ~1897 |
| Mary Grace | Daughter | — | 7 | ~1923 |
| Thomas Grace | Son | — | 9 | ~1921 |
| Margaret Grace | Daughter | — | 3 | ~1927 |
| Manuel Grace | Son | — | 1 | ~1929 |
| Joseph Grace | Other | — | 27 | ~1903 |
| John Grace | Son | — | 21 | ~1909 |
| John Grace | Head | — | 44 | ~1886 |
Census Appearances
1920
Newport, Rhode …
Head, age 34
Newport, Rhode Island · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gracia |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Azores |
| Year of Immigration | 1907 |
| Naturalization Status | Alien |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Occupation | gardener |
| Industry | working out |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Portuguese |
| Home Owned/Rented | R |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
1930
Providence, Rhode …
Head, age 44
Providence, Rhode Island · implied b. ~1886 — 8 household members
| Surname | Grace |
| Given Name | John Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Azores |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 19 |
| Father's Birthplace | Azores |
| Mother's Birthplace | Azores |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Home Owned/Rented | R |
| Home Value / Rent | 16 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Portugal |
| Birthplace (normalized) | azores |
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 Grace across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Grace
Head · 1930 · age 44 · b. ~1886 · Rhode Island
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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 — Providence, Rhode Island
Open full size
1930 US Federal Census — Providence, Rhode Island
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2175unit:0216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Rosario | 29 | Head | Truck Driver | Rhode Island |
| 2 | Lena Rosario | 25 | Wife-H | Ripple Former | Rhode Island |
| 3 | Dawson J Gallow | 62 | Head | Painter | North Carolina |
| 4 | Ruth Gallow | 30 | Wife-H | — | North Carolina |
| 5 | Mary Rose | 39 | Head-H | Laundress | Massachusetts |
| 6 | Charlotte Rose | 14 | Daughter | — | Rhode Island |
| 7 | Mary Rose | 11 | Daughter | — | Massachusetts |
| 8 | Alice Rose | 9 | Daughter | — | Rhode Island |
| 9 | Grace Rose | 7 | Daughter | — | Rhode Island |
| 10 | Arthur Pina | 40 | Head | Labour | Cape De Verd |
| 11 | Carolina Pina | 38 | Wife-H | — | Cape De Verd |
| 12 | Jennie Pina | 14 | Daughter | — | Rhode Island |
| 13 | Benjamin Pina | 9 | Son | — | Rhode Island |
| 14 | Mary Pina | 7 | Daughter | — | Rhode Island |
| 15 | John Fernanda | 53 | Head | Laborer | Cape De Verd |
| 16 | Mary Fernanda | 65 | Wife-H | — | Cape De Verd |
| 17 | John Gomes | 3 | Boarder | — | Rhode Island |
| 18 | John Encarnoe | 29 | Head | Laborer | Portugal |
| 19 | Constance Encarnoe | 25 | Wife-H | — | Rhode Island |
| 20 | Caroline Encarnoe | 8 | Daughter | — | Rhode Island |
| 21 | Pauline Encarnoe | 6 | Daughter | — | Rhode Island |
| 22 | Beverly Encarnoe | 3 | Daughter | — | Rhode Island |
| 23 | Jennie Encarnoe | 2 | Daughter | — | Rhode Island |
| 24 | Jose M Tavares | 32 | Head-H | Laborer | Cape De Verd |
| 25 | Kenneth Tavares | 45 | Head-H | Laborer | Cape De Verd |
| 26 | Peter Lopes | 30 | Boarder | Laborer | Cape De Verd |
| 27 | John Fortes | 58 | Head | Laborer | Cape De Verd |
| 28 | Monica Fortes | 44 | Wife-H | — | Cape De Verd |
| 29 | Manuel Fortes | 12 | Son | — | Massachusetts |
| 30 | Joseph Fortes | 10 | Son | — | Rhode Island |
| 31 | Henry Fortes | 9 | Son | — | Rhode Island |
| 32 | Mary Fortes | 7 | Daughter | — | Rhode Island |
| 33 | Joseph Herbert | 52 | Head | Engineer | Canada-French |
| 34 | Alice Herbert | 49 | Wife-H | — | Massachusetts |
| 35 | John J Bicho | 60 | Head | Meat Cutter | Azores |
| 36 | Mary Bicho | 57 | Wife-H | — | Azores |
| 37 | Anthony Bicho | 26 | Son | Yardman | Rhode Island |
| 38 | Mary Bicho | 20 | Daughter-in-law | — | Azores |
| 39 | Manuel J Rose | 60 | Head | Teamster | Azores |
| 40 | Mary Rose | 55 | Wife-H | — | Azores |
| 41 | Charles Rose | 35 | Son | Helper | Rhode Island |
| 42 | Louise Rose | 18 | Daughter | — | Rhode Island |
| 43 | John Jr Grace THIS PERSON | 44 | Head | Helper | Azores |
| 44 | Roseline Grace | 33 | Wife-H | — | Brazil |
| 45 | John Jr Grace | 21 | Son | Baker | Rhode Island |
| 46 | Thomas Grace | 9 | Son | — | Rhode Island |
| 47 | Mary Grace | 7 | Daughter | — | Rhode Island |
| 48 | Margaret Grace | 3 | Daughter | — | Rhode Island |
| 49 | Manuel Grace | 1 | Son | — | Rhode Island |
| 50 | Joseph Grace | 27 | Brother | Tar Melter | Azores |
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)