FL
Frank Lawrence — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mendocino, California
Our Model Tree links this Frank Lawrence across the 1920 and 1930 US Censuses in Mendocino, California (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Male
Son
Born: Hawaii
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mendocino, California |
| Surname | Lawrence |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Hawaii |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
| Township / Ward | Fort Bragg 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Mary Lawrence | Spouse | — | 42 | ~1888 |
| Frank Lawrence | Son | — | 12 | ~1918 |
| Louis Lawrence | Son | — | 18 | ~1912 |
| Lucy Lawrence | Daughter | — | 20 | ~1910 |
| Manuel Lawrence | Son | — | 24 | ~1906 |
| Mary Lawrence | Daughter | — | 22 | ~1908 |
| Hilda Lawrence | Daughter | — | 14 | ~1916 |
| Fred Lawrence | Son | — | 17 | ~1913 |
| Antone Lawrence | Head | — | 48 | ~1882 |
Census Appearances
1920
Mendocino, California
Son, age 1
Mendocino, California · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Hawaii |
| Speaks English | Yes |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
1930
Mendocino, California
Son, age 12
Mendocino, California · implied b. ~1918 — 9 household members
| Surname | Lawrence |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Hawaii |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Hawaii |
| Can Read/Write | Yes |
| Birth State | Hawaii |
| Birth Country | United States |
| Birthplace (normalized) | hawaii |
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 Frank Lawrence across 2 US Census years (1920 and 1930) in Mendocino, California, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Lawrence
Son · 1930 · age 12 · b. ~1918 · California
★ You are viewing this record
Sibling
Louis Lawrence
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Lawrence
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lawrence
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Lawrence
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Lawrence
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Lawrence
Sibling · 1930 · age 14
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 — Mendocino, California
Open full size
1930 US Federal Census — Mendocino, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel177:0931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John J Pimentel | 46 | Head | Brakeman | Azores |
| 52 | Lama Pimentel | 32 | Wife | — | California |
| 53 | Ruth Pimentel | 13 | Daughter | — | California |
| 54 | Verna Pimentel | 11 | Daughter | — | California |
| 55 | Manuel Boreca | 64 | Head | Janitor | Azores |
| 56 | Mary Boreca | 52 | Wife | — | Azores |
| 57 | Joe Pimentel | 28 | Son-in-law | Clerk | California |
| 58 | Margaret Pimentel | 25 | Daughter | — | California |
| 59 | Joe C Silva | 47 | Head | Conductor | Azores |
| 60 | Mary Silva | 37 | Wife | — | California |
| 61 | Albert Silva | 17 | Son | — | California |
| 62 | Margaret Ferreira | 18 | Sister-in-law | — | California |
| 63 | Lillian White | 63 | Head | — | California |
| 64 | John White | 35 | Son | Laborer | California |
| 65 | Andrew Christofferson | 43 | Head | Blacksmith | Michigan |
| 66 | Virginia Christofferson | 53 | Wife | — | Ohio |
| 67 | Albert Sierra | 30 | Head | Laborer | Azores |
| 68 | Adelaide Sierra | 32 | Wife | — | California |
| 69 | Joseph Quartin | 36 | Head | Printer | Illinois |
| 70 | Ella Quartin | 29 | Wife | — | Germany |
| 71 | Margaret Quartin | 4 | Daughter | — | California |
| 72 | Alfred Sousa | 30 | Head | Laborer | Portugal |
| 73 | Emily Sousa | 22 | Wife | — | California |
| 74 | Eleanor Sousa | 2 | Daughter | — | California |
| 75 | Antone Lawrence | 48 | Head | Oiler | Portugal |
| 76 | Mary Lawrence | 42 | Wife | — | Hawaii |
| 77 | Manuel Lawrence | 24 | Son | Driver | Hawaii |
| 78 | Mary Lawrence | 22 | Daughter | House Maid | Hawaii |
| 79 | Lucy Lawrence | 20 | Daughter | — | Hawaii |
| 80 | Louis Lawrence | 18 | Son | Sweeper | Hawaii |
| 81 | Fred Lawrence | 17 | Son | Laborer | Hawaii |
| 82 | Hilda Lawrence | 14 | Daughter | — | Hawaii |
| 83 | Frank Lawrence THIS PERSON | 12 | Son | — | Hawaii |
| 84 | William Bartley | 59 | Head | Laborer | Northern Ireland |
| 85 | Stella Bartley | 56 | Wife | — | Missouri |
| 86 | Albert Bartley | 16 | Son | — | California |
| 87 | Jack Bartley | 16 | Son | — | California |
| 88 | Frank Hernandez | 42 | Head | Laborer | Portugal |
| 89 | Mary Hernandez | 47 | Wife | — | Azores |
| 90 | John Hernandez | 14 | Son | — | Massachusetts |
| 91 | Tony Hernandez | 10 | Son | — | California |
| 92 | Lillian Hernandez | 6 | Daughter | — | California |
| 93 | Joe Fisher | 65 | Brother-in-law | Sweeper | Azores |
| 94 | Ulysses G Jamison | 61 | Head | Laborer | California |
| 95 | Jose M Covaco | 42 | Boarder | Fireman | Portugal |
| 96 | Carl Anderson | 67 | Head | — | Real Germany |
| 97 | Alice Anderson | 52 | Wife | — | California |
| 98 | Henrietta Anderson | 27 | Daughter | Operator | California |
| 99 | Eli Hysnen | 31 | Head | Crosscut Sawyer | California |
| 100 | Agnes Hysnen | 28 | Wife | — | California |
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)