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Grace Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this Grace Davis across the 1910, 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed), with identified parents Stephen & William — first a daughter (b.~1883), then head of a 4-person household.
Age 47
b. ~1883
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Davis |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Fitchburg |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Davis | Daughter | — | 47 | ~1883 |
| Stephen Davis | Head | — | 77 | ~1853 |
| Sherman Davis | Son | — | 49 | ~1881 |
| Ella Davis | Spouse | — | 71 | ~1859 |
Census Appearances
1910
Worcester, Massachusetts
Daughter, age 25
Worcester, Massachusetts · implied b. ~1885 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Grace P. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | United States |
| Mother's Birthplace | Massachusetts |
| Occupation | proprietor |
| Industry | metal coating shop |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Daughter, age 36
Worcester, Massachusetts · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Grace L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 47
Worcester, Massachusetts · implied b. ~1883 — 4 household members
| Surname | Davis |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Grace Davis across 3 US Census years (1910, 1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage. Identified parents: father Stephen Davis (~0.92 confidence) and father William Davis (~0.92 confidence) and mother Ella Davis (~0.92 confidence) and mother Maria Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Stephen Davis
b. ~1854
Source father
● Household
· direct · ~0.92
Father
William Davis
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Ella Davis
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Maria Davis
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Davis
Daughter · 1930 · age 47 · b. ~1883 · Massachusetts
★ You are viewing this record
Sibling
Sherman Davis
Sibling · 1930 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel963:0124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henry Lavallee | 45 | Head | Janitor | Massachusetts |
| 52 | Elena Lavallee | 40 | Wife | — | Canada French |
| 53 | Henrietta Lavallee | 18 | Daughter | Servant | Massachusetts |
| 54 | Gabriel Lavallee | 15 | Son | Servant | Massachusetts |
| 55 | Adrien Lavallee | 13 | Son | — | Massachusetts |
| 56 | Ernest Lavallee | 11 | Son | — | Massachusetts |
| 57 | Cecile Lavallee | 9 | Daughter | — | Massachusetts |
| 58 | Lucille Lavallee | 8 | Daughter | — | Massachusetts |
| 59 | Lionel Lavallee | 4 | Son | — | Massachusetts |
| 60 | Thomas Lavallee | 3 | Son | — | Massachusetts |
| 61 | Teresa Lavallee | 1 | Daughter | — | Massachusetts |
| 62 | Margaret Lavallee | 0 | Daughter | — | Massachusetts |
| 63 | Ernest Whitney | 45 | Head | Engineer | Massachusetts |
| 64 | Evie Whitney | 37 | Wife | — | New Hampshire |
| 65 | Ellen Whitney | 15 | Daughter | — | Massachusetts |
| 66 | Barbara Whitney | 13 | Daughter | — | Massachusetts |
| 67 | Priscilla Whitney | 7 | Daughter | — | Massachusetts |
| 68 | Berthe Whitney | 5 | Daughter | — | Massachusetts |
| 69 | Charles Whitney | 2 | Son | — | Massachusetts |
| 70 | John Nils Krantz | 60 | Head | Laborer | Sweden |
| 71 | Augusta Krantz | 57 | Wife | — | Norway |
| 72 | John Parnanainen | 44 | Head | Polisher | Finland |
| 73 | Eveline Parnanainen | 44 | Wife | — | Finland |
| 74 | Donald Parnanainen | 8 | Son | — | Massachusetts |
| 75 | Daniel Parnanainen | 4 | Son | — | Massachusetts |
| 76 | John Parham | 53 | Head | Carpenter | Finland |
| 77 | John T. Fallon | 55 | Head | Laborer | Ireland Free State |
| 78 | Lillian Fallon | 53 | Wife | — | Massachusetts |
| 79 | Matti Myllylahti | 43 | Head | Machinist | Finland |
| 80 | Edna Myllylahti | 45 | Wife | — | Finland |
| 81 | Helen Myllylahti | 19 | Daughter | Stenographer | Massachusetts |
| 82 | Irene Myllylahti | 21 | Daughter | Inspector | Massachusetts |
| 83 | Susi Myllylahti | 18 | Daughter | — | Massachusetts |
| 84 | John Karjalainen | 48 | Head | Farmer | Finland |
| 85 | Viekko Karjalainen | 14 | Daughter | — | Massachusetts |
| 86 | Hilda Karjalainen | 12 | Daughter | — | Massachusetts |
| 87 | Kusta Hukkanen | 44 | Head | Machinist | Finland |
| 88 | Hilja Hukkanen | 42 | Lodge | — | Finland |
| 89 | Dominico Morello | 36 | Head | Roller Setter | Italy |
| 90 | Antoinette Morello | 36 | Wife | — | Italy |
| 91 | Philomena Morello | 12 | Daughter | — | Massachusetts |
| 92 | Michael Morello | 10 | Son | — | Massachusetts |
| 93 | Vito Morello | 4 | Son | — | Massachusetts |
| 94 | Vito Morello | 2 | Son | — | Massachusetts |
| 95 | Fred A. Beller | 55 | Head | Farmer | New Hampshire |
| 96 | Nellie J. Beller | 45 | Wife | — | Massachusetts |
| 97 | Stephen W. Davis | 77 | Head | Farmer | Massachusetts |
| 98 | Ella Davis | 71 | Wife | — | Massachusetts |
| 99 | Sherman R. Davis | 49 | Son | Farmer | Massachusetts |
| 100 | Grace L. Davis THIS PERSON | 47 | Daughter | — | Massachusetts |
Pedigree Summary
Grace + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)