John was living when 1900 census was done as found him so he died after the census was done where he was living in Gallatin Ill.
He was mrd before to Latimer Sterling 1855 and they had some kids, 1900 he is living w/his one dau Sarah from that marriage. had abt 5
I have not found Latimer memorial just in census w/him/dau but she does have one
Latimer Sterling Greer Find A Grave Index
birth:11 April 1834
death:8 August 1863 burial:1863 Brownsville, White, Illinois,

1880 Equality, Gallatin, Illinois
Household
John S Greer Self M 44 Illinois
Miranda M Greer wife F 26 Illinois
Ella A Greer dau F 19 Illinois 1861 lst wife
Arlletta L Greer dau F 11 Illinois 1869 ""
Daisy S Greer dau F 4 Illinois 1876 Miranda down
John W Greer son M 2 Illinois 1878
Filden F Greer son M 0 Illinois 1880
Margaret David SisIL F 17 Kentucky
Marie R David SisIL F 15 Indiana
Penelope David MoIL F 53 Indiana Miller
mrd Willie King David-Miranda mother

1900 John S Greer Age:64 Birth Date:Jun 1835 Illinois
Home Equality, Gallatin, Illinois Family Number:229
White Male Relation to Head of House: Boarder
Marital Status: Married
Marriage Year: 1875 << this jives w/marr rec for him and Miranda
Years Married: 25
[[John S Greer Male Birth Date: June 1835 White Co Ill
Marriage Date: 6 Jul 1875 Marriage Place: Gallatin, Illinois
Spouse Name:Miranda M David Spouse female]]
Father's Birthplace: Georgia
Mother's Birthplace: Tennessee
Occupation: Farm Months not employed: 0
Can Read: Yes Can Write: Yes Can Speak English: Yes
House Owned Home Free Farm
Name Age
Wm Sullivan 29
Sarah Sullivan 26 Greer by John's lst wife see the 1860
Ernest Sullivan 9
Fletie Sullivan 5
John S Greer 64
Miranda Greer 47

1860 John S Greer birth:1835 Ill
residence:Canni, White, Illinois md 1855 White co
Household
John S Greer M 25 Ill
Latimore Greer F 27 Tenn Sterling

US Civil War Pension Index: General Index Pension Files 1861-1934 Miranda M Greer Female Place Filed: Illinois Relation to Head:Widow
Spouse: John Staples Greer Male Relation to Head:Soldier

John S Greer Illinois Soldier Burial Places 1774-1974
death:1900 burial:Mount Vernon, Jefferson, Illinois
Mount Vernon, Jefferson, Illinois Cemetery Oakwood

John S Greer Rank: Corporal Company: I Unit: 87th Illinois Infantry
Height: 6' 1 Hair: BROWN Eyes: HAZEL Complexion: FLORID
Marital Status: Married Occupation:Carpenter
Birth Date:June 1835 Birth Place:White CO, IL
War: Civil War War Years: 1861-1865
Service Entry Age: 27
Service Entry Date: 15 Aug 1862
Service Entry Place: Carmi, IL
Joined By Whom: CPT THOMAS Period: 3 YRS
Muster In Date: 22 Sep 1862 Muster In Place:Shawneetown, IL
Muster Out Date: 16 Jun 1865 Muster Out Place:Helena, AR
Muster Out By Whom: CPT NEWCOME
Remarks: MUSTERED OUT AS SERGEANT
Residence Place: White CO, IL
Record Source:Illinois Civil War Muster and Descriptive Rolls

contributor Junior Ramsey - 47063838