GW
Grace Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marquette, Michigan
Our Model Tree links this Grace Williams across the 1920 and 1930 US Censuses in Marquette, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marquette, Michigan |
| Surname | Williams |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Ishpeming City |
| Est. Birth Year | ~1918 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Shirley Williams | Daughter | — | 8 | ~1922 |
| Grace Williams | Daughter | — | 12 | ~1918 |
| Charlotte Williams | Daughter | — | 19 | ~1911 |
| June Williams | Daughter | — | 17 | ~1913 |
| John Williams | Head | — | 39 | ~1891 |
| Mildred Williams | Other | — | 40 | ~1890 |
| Arthur Williams | Son | — | 15 | ~1915 |
| Donald Williams | Son | — | 2 | ~1928 |
| Gordon Williams | Son | — | 6 | ~1924 |
| Robert Williams | Son | — | 11 | ~1919 |
Census Appearances
1920
Marquette, Michigan
Daughter, age 2
Marquette, Michigan · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Grace G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Marquette, Michigan
Daughter, age 12
Marquette, Michigan · implied b. ~1918 — 10 household members
| Surname | Williams |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Williams across 2 US Census years (1920 and 1930) in Marquette, Michigan, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Williams
Daughter · 1930 · age 12 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Charlotte Williams
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Williams
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Williams
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Williams
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Williams
Sibling · 1930 · age 17
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 — Marquette, Michigan
Open full size
1930 US Federal Census — Marquette, Michigan
Page Contents
80 people indexed on this census page (ia:1930:michigancensus00reel1010:0245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward W. Anderson | 33 | Head | Shovel Runner | Sweden |
| 2 | Irene M. Anderson | 25 | Wife-H | — | Washington |
| 3 | Gloria R. Anderson | 5 | Daughter | — | Michigan |
| 4 | Donald E. Anderson | 3 | Son | — | Michigan |
| 5 | Roaner H. Anderson | 0 | Son | — | Michigan |
| 6 | Jean W. Anderson | 36 | Sister | Beauty-Culturist | Sweden |
| 7 | Canute S. Anderson | 30 | Brother | Car Repairer | Sweden |
| 8 | Ernest F. Anderson | 42 | Brother | Runner | Sweden |
| 9 | John A. Williams | 39 | Head | Mechanic | Michigan |
| 10 | Mildred V. Williams | 40 | Wife-H | — | Michigan |
| 11 | Charlotte A. Williams | 19 | Daughter | Stripping | Minnesota |
| 12 | June R. Williams | 17 | Daughter | Cutter | Minnesota |
| 13 | Arthur J. Williams | 15 | Son | — | Michigan |
| 14 | Grace L. Williams THIS PERSON | 12 | Daughter | — | Michigan |
| 15 | Robert L. Williams | 11 | Son | — | Michigan |
| 16 | Shirley B. Williams | 8 | Daughter | — | Michigan |
| 17 | Gordon J. Williams | 6 | Son | — | Michigan |
| 18 | Donald R. Williams | 2 | Son | — | Michigan |
| 19 | Martin A. Devold | 42 | Head | Brakeman | Michigan |
| 20 | Alice E. Devold | 34 | Wife-H | — | New-York |
| 21 | Eileen J. Devold | 15 | Daughter | — | Michigan |
| 22 | Lucille A. Devold | 13 | Daughter | — | Michigan |
| 23 | Woodrow R. Devold | 11 | Son | — | Michigan |
| 24 | Jean A. Devold | 7 | Daughter | — | Michigan |
| 25 | Beverly A. Devold | 2 | Daughter | — | Michigan |
| 26 | Martina Devold | 83 | Mother | — | Norway |
| 27 | Victor C. Kalm | 65 | Head | Warehouse Man | Sweden |
| 28 | Augusta M. Kalm | 57 | Wife-H | — | Sweden |
| 29 | Ethel S. Kalm | 28 | Daughter | — | Michigan |
| 30 | Ray Gummerson | 32 | Head | Gas-Repairman | Michigan |
| 31 | Thelma M. Gummerson | 25 | Wife-H | — | California |
| 32 | Ray B. Gummerson | 3 | Son | — | Michigan |
| 33 | Thomas J. Collins | 37 | Head | Janitor | England |
| 34 | Gunhild S. Collins | 34 | Wife-H | — | Michigan |
| 35 | William R. Collins | 12 | Son | — | Michigan |
| 36 | John H. Austin | 63 | Head | Street-Sweeper | England |
| 37 | Matilda C. Austin | 68 | Wife-H | — | Sweden |
| 38 | Charles M. Anderson | 57 | Head | Laborer | Sweden |
| 39 | Mary Anderson | 52 | Wife-H | — | Sweden |
| 40 | Wendell H. Anderson | 27 | Son | — | Michigan |
| 41 | Clifford H. Anderson | 20 | Son | Teamster | Michigan |
| 42 | Rudolph E. Anderson | 17 | Son | — | Michigan |
| 43 | Clara L. Anderson | 12 | Daughter | — | Michigan |
| 44 | Helen B. Anderson | 7 | Daughter | — | Michigan |
| 45 | Anslem G. Holmgren | 48 | Head | Proprietor | Michigan |
| 46 | Clara W. Holmgren | 41 | Wife-H | — | Sweden |
| 47 | Lloyd A. Holmgren | 22 | Son | Attendant | Michigan |
| 48 | Jennie S. Trosvig | 52 | Head-H | Inspector | Michigan |
| 49 | Ernest E. Trosvig | 18 | Son | Laborer | Michigan |
| 50 | Lily Handberg | 39 | Head-H | Inspector | Michigan |
| 51 | Lillian Handberg | 16 | Daughter | — | Michigan |
| 52 | Robert Handberg | 14 | Son | — | Michigan |
| 53 | Evelyn Handberg | 12 | Daughter | — | Michigan |
| 54 | Dorothy Handberg | 10 | Daughter | — | Michigan |
| 55 | Donald Handberg | 8 | Son | — | Michigan |
| 56 | Betty Handberg | 6 | Daughter | — | Michigan |
| 57 | Richard Handberg | 4 | Son | — | Michigan |
| 58 | James Handberg | 1 | Son | — | Michigan |
| 59 | John Handberg | 72 | Father-in-law | — | Finland |
| 60 | Mary Handberg | 72 | Mother-in-law | — | Finland |
| 61 | John Handberg | 42 | Brother-in-law | Laborer | Michigan |
| 62 | William Handberg | 38 | Brother-in-law | Laborer | Michigan |
| 63 | Arthur Handberg | 34 | Brother-in-law | Laborer | Michigan |
| 64 | George Handberg | 32 | Brother-in-law | Laborer | Michigan |
| 65 | Edward Handberg | 30 | Brother-in-law | Laborer | Michigan |
| 66 | Albert Handberg | 28 | Brother-in-law | Laborer | Michigan |
| 67 | Clarence Handberg | 26 | Brother-in-law | Laborer | Michigan |
| 68 | Walter Handberg | 24 | Brother-in-law | Laborer | Michigan |
| 69 | Harold Handberg | 22 | Brother-in-law | Laborer | Michigan |
| 70 | Raymond Handberg | 20 | Brother-in-law | Laborer | Michigan |
| 71 | Leonard Handberg | 18 | Brother-in-law | Laborer | Michigan |
| 72 | Herbert Handberg | 16 | Brother-in-law | — | Michigan |
| 73 | Arthur Handberg | 14 | Brother-in-law | — | Michigan |
| 74 | George Handberg | 12 | Brother-in-law | — | Michigan |
| 75 | Edward Handberg | 10 | Brother-in-law | — | Michigan |
| 76 | Albert Handberg | 8 | Brother-in-law | — | Michigan |
| 77 | Clarence Handberg | 6 | Brother-in-law | — | Michigan |
| 78 | Walter Handberg | 4 | Brother-in-law | — | Michigan |
| 79 | Harold Handberg | 2 | Brother-in-law | — | Michigan |
| 80 | Raymond Handberg | 0 | Brother-in-law | — | Michigan |
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)