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William Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kent-County, Michigan
Our Model Tree links this William Lynch across the 1920, 1930 and 1940 US Censuses in Kent-County, Michigan (XGBoost, ~Confirmed), with identified parents Reid & Gertrude — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Michigan |
| Surname | Lynch |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grand Rapids city |
| 1935 Residence (County) | Kent |
| Additional Details | |
| Occupation | Rod maker |
| Industry | Furniture Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 792 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Rod Maker |
| Township / Ward | Grand Rapids City |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Lynch | Daughter | — | 11 | ~1929 |
| Patricia Lynch | Daughter | — | 4 | ~1936 |
| Clayton Lynch | Head | — | 43 | ~1897 |
| William Gibbs | Other | — | 35 | ~1905 |
| William Lynch | Son | — | 20 | ~1920 |
| Robert Lynch | Son | — | 14 | ~1926 |
| Mina Lynch | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Kent, Michigan
Son, age
Kent, Michigan · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Kent, Michigan
Son, age 10
Kent, Michigan · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 |
1940
Kent-County, Michigan
Son, age 20
Kent-County, Michigan · implied b. ~1920 — 7 household members
| Surname | Lynch |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grand Rapids city |
| 1935 Residence (County) | Kent |
| Occupation | Rod maker |
| Industry | Furniture Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 792 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 William Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Reid Lynch (~0.92 confidence) and mother Gertrude Lynch (~0.92 confidence) and mother Mina Lynch (~0.92 confidence) and mother Mabel Lynch (~0.92 confidence) and father Clayton Lynch (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Reid Lynch
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Gertrude Lynch
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mina Lynch
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mabel Lynch
b. ~1898
Source mother
● Household
· direct · ~0.92
Father
Clayton Lynch
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Lynch
Son · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Robert Lynch
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Lynch
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Lynch
Sibling · 1940 · age 11
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
1940 US Federal Census — Kent-County, Michigan
Open full size
1940 US Federal Census — Kent-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01899-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William R. Rathbun | 50 | Brother | — | Michigan |
| 2 | Florence Conklin | 58 | Housekeeper | House Keeper | Minnesota |
| 3 | Earl C. Peck | 51 | Head | Electrotyper | Michigan |
| 4 | Pauline D. Peck | 47 | Wife | — | Michigan |
| 5 | Earl Peck | 20 | Son | — | Michigan |
| 6 | Gordon Peck | 14 | Son | — | Michigan |
| 7 | Mary J. Johnson | 42 | Head | Clerk | Michigan |
| 8 | Edward D. Johnson | 17 | Son | — | Michigan |
| 9 | Mary Johnson | 65 | Daughter | — | Michigan |
| 10 | Adeline Galloway | 77 | Mother | Cashier | Michigan |
| 11 | Elwood Ward | 33 | Head | Barber & Beauty Operator | Michigan |
| 12 | Margaret Ward | 31 | Wife | Teacher - Piano | Michigan |
| 13 | Clayton Lynch | 43 | Head | Salesman Wholesale | Michigan |
| 14 | Mina Lynch | 43 | Wife | — | Michigan |
| 15 | William Lynch THIS PERSON | 20 | Son | Rod Maker | Michigan |
| 16 | Robert Lynch | 14 | Son | — | Michigan |
| 17 | Margaret Lynch | 11 | Daughter | — | Michigan |
| 18 | Patricia Lynch | 4 | Daughter | — | Michigan |
| 19 | William P. Gibbs | 35 | Lodger | Tool Maker | Michigan |
| 20 | John Schollart | 39 | Head | Machine Hand | Netherlands |
| 21 | Maude Schollart | 40 | Wife | — | Michigan |
| 22 | Martin Schollart | 17 | Son | — | Michigan |
| 23 | Virginia Schollart | 16 | Daughter | — | Michigan |
| 24 | Edwin Schollart | 13 | Son | — | Michigan |
| 25 | Donald Schollart | 6 | Son | — | Michigan |
| 26 | Lewis King | 53 | Head | Division Layman | Michigan |
| 27 | Hilda Anderson | 40 | Housekeeper | House Keeper | Michigan |
| 28 | William Mcnally | 53 | Head | Lather | Canada Eng |
| 29 | Thomas Ferinda | 50 | Head | Care Taker Of Tools | Michigan |
| 30 | Iona Ferinda | 46 | Wife | — | Michigan |
| 31 | Thomas Jr. Ferinda | 14 | Son | — | Michigan |
| 32 | Harry Roedema | 35 | Head | Veneer Room Foreman | Netherlands |
| 33 | Arlene Champion | 38 | Head | Hand Compositor | Michigan |
| 34 | William Dronkers | 48 | Head | Hand Compositor | Michigan |
| 35 | Edwin Williamson | 31 | Head | Laborer | Michigan |
| 36 | Amber Williamson | 28 | Wife | — | Michigan |
| 37 | Ernest Williamson | 5 | Son | — | Michigan |
| 38 | Donna Williamson | 3 | Daughter | — | Michigan |
| 39 | Donald Williamson | 1 | Son | — | Michigan |
| 40 | Ronald Williamson | 1 | Son | — | Michigan |
Pedigree Summary
William + 3 siblings
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 1940 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)