Isaac Welsh

{{short description|American politician}}

{{Infobox officeholder

|name=Isaac Welsh

|image=

|caption=

|order=14th

|office=Ohio State Treasurer

|term_start=January 8, 1872

|term_end=November 25, 1875

|governor=Edward F. Noyes
William Allen

|preceded=S. S. Warner

|succeeded=Leroy Welsh

|state_senate2=Ohio

|district2=20th

|term_start2=January 6, 1862

|term_end2=January 4, 1864

|preceded2=Marshall McCall

|succeeded2=John C. Jamison

|state_house3=Ohio

|district3=Belmont County

|term_start3=January 4, 1858

|term_end3=January 5, 1862

|preceded3=James N. Turner
Robert Hamilton

|succeeded3=Wilson S. Kennon

|party=Republican

|otherparty=Whig

|birth_date={{birth_date|1811|7|20}}

|birth_place=Belmont County, Ohio

|death_date={{death date and age|1875|11|25|1811|7|20}}

|death_place=Belmont County, Ohio

|restingplace=

|spouse=Mary A. Armstrong

|children=Isaac Welsh

|alma_mater=

}}

Isaac Welsh (July 20, 1811 – November 25, 1875) was a Republican politician in the state of Ohio who was in the Ohio House of Representatives, Ohio Senate, and was Ohio State Treasurer from 1872 until his death in 1875, when he was replaced by his son.

Isaac Welsh was born July 20, 1811, in Belmont County, Ohio. He was raised on a farm, and had little formal education. As an adult, he moved to Beallsville in Monroe County, and was in merchandising, but soon returned to Belmont. He was a Whig until that party collapsed.

In 1857, and 1859, he was elected to the Ohio House of Representatives for the 53rd and 54th General Assembly as a Republican.Ohio 1917 : 282 In 1861, he was elected from the 20th District to the Ohio Senate in the 55th General Assembly.Ohio 1917 : 241 Presidential elector for Grant/Colfax in 1868Smith 1898 : 260

Welsh was elected state treasurer in 1871, and again in 1873. He died November 25, 1875, and his son Leroy Welsh was appointed to serve the remaining weeks of his second term.Smith 1898 : 289

Welsh was married to Mary A. Armstrong of Belmont County.Caldwell 1880 : 415

Welsh was a Presbyterian.General Assembly 1862 : 37-38

Welsh died at his home at Washington Township, Belmont County, Ohio.