LB
Leonard Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ionia-County, Michigan
Our Model Tree links this Leonard Brown across the 1930 and 1940 US Censuses in Ionia-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1906), then head of a 9-person household.
Age 34
b. ~1906
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ionia-County, Michigan |
| Surname | Brown |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Portland Township |
| 1935 Residence (County) | Ionia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Portland Township |
| Est. Birth Year | ~1906 |
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 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Hazel Brown | Spouse | — | 31 | ~1909 |
| E Brown | Daughter | — | 7 | ~1933 |
| Neva Brown | Daughter | — | 1 | ~1939 |
| Raymond Brown | Son | — | 8 | ~1932 |
| Leonard Brown | Head | — | 34 | ~1906 |
| Bernard Brown | Son | — | 1 | ~1939 |
| Jean Brown | Daughter | — | 3 | ~1937 |
| Joyce Brown | Daughter | — | 9 | ~1931 |
| Helen Brown | Daughter | — | ~1940 |
Census Appearances
1930
Ionia, Michigan
Son, age 25
Ionia, Michigan · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Head, age 34
Ionia-County, Michigan · implied b. ~1906 — 9 household members
| Surname | Brown |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Portland Township |
| 1935 Residence (County) | Ionia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 40 |
| Highest Grade | H 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 Leonard Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Brown
Head · 1940 · age 34 · b. ~1906 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ionia-County, Michigan
Open full size
1940 US Federal Census — Ionia-County, Michigan
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-01764-00968)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth L. Town | 56 | Wife | — | Minnesota |
| 2 | Forest L. Burger | 34 | Head | Farmer | Michigan |
| 3 | Thelma S. Burger | 33 | Wife | — | Michigan |
| 4 | Leota A. Burger | 15 | Daughter | — | Michigan |
| 5 | Jean E. Burger | 12 | Daughter | — | Michigan |
| 6 | Doris L. Burger | 10 | Daughter | — | Michigan |
| 7 | Mary C. Burger | 7 | Daughter | — | Michigan |
| 8 | L. D. Burger | 1 | Son | — | Michigan |
| 9 | Leonard Brown THIS PERSON | 34 | Head | Farmer | Michigan |
| 10 | Hazel F. Brown | 31 | Wife | — | Michigan |
| 11 | Joyce M. Brown | 9 | Daughter | — | Michigan |
| 12 | Raymond E. Brown | 8 | Son | — | Michigan |
| 13 | E. June Brown | 7 | Daughter | — | Michigan |
| 14 | Jean C. Brown | 3 | Daughter | — | Michigan |
| 15 | Bernard P. Brown | 1 | Son | — | Michigan |
| 16 | Neva M. Brown | 1 | Daughter | — | Michigan |
| 17 | Helen L. Brown | 0 | Daughter | — | Michigan |
| 18 | Beren Brown | 27 | Head | Farmer | Michigan |
| 19 | E. Lora G. Dilley | 27 | Head | Farmer | Michigan |
| 20 | Hilda C. Dilley | 23 | Wife | — | Michigan |
| 21 | Donald D. Dilley | 3 | Son | — | Michigan |
| 22 | Franklin A. Dilley | 1 | Son | — | Michigan |
| 23 | Catherine L. Dilley | 0 | Daughter | — | Michigan |
| 24 | Eva C. Dilley | 60 | Mother | — | Michigan |
| 25 | George H. Hudson | 33 | Head | Filler | Michigan |
| 26 | Lillian A. Hudson | 35 | Wife | — | Michigan |
| 27 | Lloyd E. Cline | 64 | Head | Farmer | Michigan |
| 28 | Catherine Cline | 63 | Wife | — | Michigan |
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)