WJ
Willard Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Plymouth, Massachusetts
Our Model Tree links this Willard Johnson across the 1910, 1920 and 1930 US Censuses in Plymouth, Massachusetts (XGBoost, ~Confirmed), with identified parents Albert & Albert — first a son (b.~1910), then head of a 4-person household.
Age 20
b. ~1910
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Plymouth, Massachusetts |
| Surname | Johnson |
| Given Name | Willard T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Abington Town |
| Est. Birth Year | ~1910 |
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 Willard | Age | Birth yr |
|---|---|---|---|---|
| Katherine Johnson | Spouse | — | 48 | ~1882 |
| Paul Johnson | Son | — | 18 | ~1912 |
| Willard Johnson | Son | — | 20 | ~1910 |
| Albert Johnson | Head | — | 51 | ~1879 |
Census Appearances
1910
Plymouth, Massachusetts
Son, age
Plymouth, Massachusetts · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Willard F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Eng. |
| Mother's Birthplace | Maine |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Plymouth, Massachusetts
Son, age 10
Plymouth, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Willard G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Son, age 20
Plymouth, Massachusetts · implied b. ~1910 — 4 household members
| Surname | Johnson |
| Given Name | Willard T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Maine |
| 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 Willard Johnson across 3 US Census years (1910, 1920 and 1930) in Plymouth, Massachusetts, using XGBoost record linkage. Identified parents: father Albert Johnson (~0.92 confidence) and father Albert Johnson (~0.92 confidence) and mother Catherine Johnson (~0.92 confidence) and mother Katherine Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Albert Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Catherine Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Katherine Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Willard Johnson
Son · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Paul Johnson
Sibling · 1930 · age 18
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 — Plymouth, Massachusetts
Open full size
1930 US Federal Census — Plymouth, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel938:0479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James C. Russell | 41 | Head | Truck Driver | Massachusetts |
| 2 | Frances A. Russell | 35 | Wife | — | Massachusetts |
| 3 | Donald L. Russell | 33 | Brother | — | Massachusetts |
| 4 | Alfred E. Ditchfield | 59 | Head | Carpenter | Massachusetts |
| 5 | John A. Ditchfield | 27 | Son | Finisher | Massachusetts |
| 6 | Margaret E. Ditchfield | 14 | Daughter | — | Massachusetts |
| 7 | Fred Curtis | 64 | Head | Carpenter | Massachusetts |
| 8 | Annie G. Curtis | 64 | Wife | — | Massachusetts |
| 9 | Christine T. Curtis | 29 | Daughter | — | Massachusetts |
| 10 | Fred L. Bemis | 56 | Head | Merchant | Vermont |
| 11 | Mary L. Bemis | 56 | Wife | — | Vermont |
| 12 | Lyle R. Bemis | 35 | Son | Merchant | Massachusetts |
| 13 | Myrtle I. Bemis | 39 | Daughter-in-law | — | New York |
| 14 | Jean L. Bemis | 11 | Granddaughter | — | Massachusetts |
| 15 | Amy L. Jessop | 56 | Servant | Servant | England |
| 16 | Abby L. Glidden | 58 | Head | Purchasing Agent | Massachusetts |
| 17 | Alma E. Glidden | 80 | Mother | — | Maine |
| 18 | Charles H. Fitzpatrick | 46 | Head | Manufacturer | Massachusetts |
| 19 | Mary A. Fitzpatrick | 47 | Wife | — | Massachusetts |
| 20 | Elizabeth A. Fitzpatrick | 15 | Daughter | — | Massachusetts |
| 21 | William J. Fitzpatrick | 11 | Son | — | Massachusetts |
| 22 | Mary G. Fitzpatrick | 10 | Daughter | — | Massachusetts |
| 23 | Charlotte Fitzpatrick | 6 | Daughter | — | Massachusetts |
| 24 | Annie Mcdougall | 34 | Servant | Servant | Massachusetts |
| 25 | Edwin R. Turner | 57 | Head | Foreman | Massachusetts |
| 26 | Eliza Turner | 61 | Wife | — | Massachusetts |
| 27 | Lawrence M. Turner | 24 | Son | Commercial Artist | Massachusetts |
| 28 | Eleanor I. Turner | 20 | Daughter | Undergraduate Nurse | Massachusetts |
| 29 | John L. Wallace | 57 | Head | Welder | Scotland |
| 30 | Elizabeth M. Wallace | 55 | Wife | — | Scotland |
| 31 | Richard P. Wallace | 21 | Son | Salesman | Massachusetts |
| 32 | Margaret Mcconkey | 78 | Mother | — | Scotland |
| 33 | Harris W. Viles | 29 | Lodger | Cutter | New Hampshire |
| 34 | Edwin S. Wales | 36 | Head | Accountant | Massachusetts |
| 35 | Doris L. Wales | 36 | Wife | — | Massachusetts |
| 36 | Priscilla A. Wales | 7 | Daughter | — | Massachusetts |
| 37 | Robert S. Wales | 2 | Son | — | Massachusetts |
| 38 | Margaret M. Conallen | 27 | Servant | Servant | Irish Free State |
| 39 | Mary A. Scott | 70 | Head | — | Scotland |
| 40 | Edward Owen | 28 | Son-in-law | Salesman | New York |
| 41 | Florence H. Owen | 30 | Daughter | — | Massachusetts |
| 42 | Jane W. Owen | 1 | Granddaughter | — | Massachusetts |
| 43 | Ellen P. Lyon | 88 | Head | — | Maine |
| 44 | William J. Brennen | 60 | Lodger | Painter | Canada-English |
| 45 | J. Judson Vastie | 69 | Head | Sole Cutter | Massachusetts |
| 46 | Elizabeth M. Vastie | 68 | Wife | — | Canada-English |
| 47 | Albert W. Johnson | 51 | Head | Manager | England |
| 48 | Katherine D. Johnson | 48 | Wife | — | Maine |
| 49 | Willard T. Johnson THIS PERSON | 20 | Son | — | Massachusetts |
| 50 | Paul M. Johnson | 18 | Son | — | Massachusetts |
Pedigree Summary
Willard + 1 sibling
Gen 1 · 5 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)