Isham Day House

{{short description|Historic house in Wisconsin, United States}}

{{For|other places of a similar name|Day House (disambiguation){{!}}Day House}}

{{Use mdy dates|date=August 2023}}

{{Infobox NRHP

| name = Isham Day House

| image = Isham Day House Mequon WI May09.jpg

| caption = Isham Day House

| location = 11312 N. Cedarburg Rd.
Mequon, Wisconsin

| built = 1839

| architect = Day Isham

| coordinates = {{coord|43|13|25|N|87|59|0|W|display=inline,title}}

| locmapin = Wisconsin#USA

| architecture =

| added = December 28, 2000

| area = {{convert|1.9|acre}}

| refnum = 00001558{{NRISref|version=2010a}}

}}

The Isham Day House is located in Mequon, Wisconsin. It was added to the National Register of Historic Places in 2000.{{cite web|title=Isham Day House|url=http://www.wisconsinhistory.org/Content.aspx?dsNav=N:4294963828-4294963813&dsRecordDetails=R:HI68959|publisher=Wisconsin Historical Society|accessdate=2017-01-14}}{{cite news|last1=Cartwright|first1=Carol Lohry|title=Day, Isham, House|url={{NRHP url|id=00001558}}|accessdate=2017-01-14|work=NRHP Inventory-Nomination Form|publisher=National Park Service|date=1999-08-15}} The house is owned by the city and located in Settlers Park.{{cite web|title=Isham Day House|url=http://wisconsinhistoricalmarkers.blogspot.com/2014/07/isham-day-house.html|publisher=Wisconsin Historical Markers|accessdate=30 June 2015}}