She was born between December, 1836 and 1841 at Dublin, County Dublin, Ireland.

Margaret Healy married Michael Head, son of Captain Michael Head and Mary Connaly, circa 1856.

Margaret Healy was enumerated with Michael Head, as "Margaret Head", on the 1860 U.S. Census at St. Louis, Missouri, she was identified as a 23-year-old white female born in Ireland.

     Margaret Healy immigrated in 1865 traveling date appears to be incorrect.

Margaret Healy was enumerated with Michael Head, as "Margaret Head", on the 1880 U.S. Census at St. Louis, Missouri, she was listed as a married 43-year-old white female born in Ireland.

Margaret and Michael Head lived in 1860 at Gratiot between 15th and 16th Streets, St. Louis, Missouri. Residing with them were their children Martin and Mary.

Margaret and Michael Head lived in 1866 at St. Louis. Residing with them were their children Martin, Mary and Katherine; in the rear 20th. Street between Estelle & Eugenia.

Margaret and Michael Head lived in 1867 at 1125 North 19th Street, St. Louis, Missouri. Residing with them were their children Martin, Mary and Katherine.

Margaret and Michael Head lived in 1869 at 2010 Carr, St. Louis, Missouri. Residing with them were their children Mary, Martin, Katherine, James and Agnes. She and Michael Head boarded in 1870 at St. Louis House, St. Louis, Missouri.

Margaret and Michael Head lived in 1872 at 1620 rear Cass Avenue, St. Louis, Missouri. Residing with them were their children Martin, Mary, Katherine, Agnes, James and Ellen.

Margaret and Michael Head lived in 1874 at 1714 rear Cass Avenue, St. Louis, Missouri. Residing with them were their children Martin, Catherine, Katherine, Agnes, James, Ellen and Josephine.

Margaret and Michael Head lived in 1875 at 1805 Division Street, St. Louis, Missouri. Residing with them were their children Martin, Mary, Katherine, Agnes, James, Ellen and Josephine.

Margaret and Michael Head lived in 1877 at 1305 North 18th Street, St. Louis, Missouri. Residing with them were their children Martin, Mary, Katherine, Agnes, James, Ellen, Josephine and William.

     Margaret and Michael Head lived in 1878 at 1417 North 18th Street, St. Louis, Missouri. Residing with them were their children Katherine, Agnes, Mary, Josephine, James, Ellen, William and Martin.

Margaret and Michael Head lived in 1879 at 1321 North 17th Street, St. Louis, Missouri. Residing with them were their children Katherine, Agnes, Mary, Josephine, James, Ellen, William and Martin.

Margaret and Michael Head lived in 1880 at 1436 North 19th Street, St. Louis, Missouri. Residing with them were their children Katherine, Agnes, Mary, Josephine, James, Ellen, William and Martin.

Margaret and Michael Head lived in September, 1880 at 1318 North 20th Street, St. Louis, Missouri. Residing with them were their children Mary, Josephine, James, Ellen, William and Martin.

Margaret and Michael Head lived in 1882 at 2210 Division Street, St. Louis, Missouri. Residing with them were their children Katherine, Agnes, Mary, Josephine, James, Ellen, William and Martin.

Margaret and Michael Head lived in 1884 at 2108 Division Street, St. Louis, Missouri. Residing with them were their children Agnes, Mary, Josephine, James, Ellen and William.

Margaret and Michael Head lived in 1885 at 2129 Division Street, St. Louis, Missouri. Residing with them were their children Agnes, Josephine, James, Ellen and William.

Margaret and Michael Head lived in 1886 at 1912 North 13th Street, St. Louis, Missouri. Residing with them were their children Josephine, Ellen and William.

Margaret and Michael Head lived in 1887 at 1915 North 10th Street, St. Louis, Missouri. Residing with them were their children Josephine, James, Ellen and William.

Margaret and Michael Head lived in 1888 at 2406 North 9th Street, St. Louis, Missouri. Residing with them were their children James, Josephine, Ellen and William.

Margaret and Michael Head lived in 1894 at 1408 Madison, St. Louis, Missouri. Residing with them were their children James, William and Ellen.

Margaret and Michael Head lived in 1895 at 1519 Benton Street, St. Louis, Missouri. Residing with them were their children James, William and Ellen.

Margaret and Michael Head lived from 1897 to 1898 at 1306 Montgomery Street, St. Louis. Residing with them were their children James, Ellen and William. She lived in 1905 at 1506 1/2 St. Louis Avenue, St. Louis, Missouri. She lived with George W. Hardesty from 1900 to 1901 at 2832 North 21st Street, St. Louis, Missouri.

Margaret Healy was enumerated with George W. Hardesty, as "Margaret Head", on the 1900 U.S. Census at St. Louis, Missouri, she was identified as a widowed 63-year-old female born in Ireland in December 1836 and. immigrated to the United States 35 years prior in 1865. Margaret was residing with her daughter Mary and son-in-law.

She died on July 3, 1908 at 1506 St. Louis Avenue, St. Louis, Missouri, cause of death was senile debility.

Her obituary stated: Died Fri. July 3, 1908 husband Michael, sons Martin, James, William, daughters Mrs. Geo. Hardesty, Mrs. Edward Schulenberg, Mrs. Harry Seeger, Mrs. William Madel. Funeral from residence of daughter, Mrs. George Hardesty, 1506 St. Louis Ave. to St. Michael's Church thence to Calvary Cemetery. New Bedford (Mass) and Providence (R.I.) papers copy. Her funeral service was held on July 6, 1908 at St. Michael's Catholic Church, St. Louis, Missouri, from the residence of her daughter, Mrs. George Hardesty, 1506 St. Louis Avenue.

The family name "Healy": There were two separate septs or clans of the Healys. The first of these derived their name from the Irish eilidhe, meaning claimant, and were based around Lough Arrow in County Sligo. The second and very different sept, which was centered on the barony of Muskerry in County Cork, derived their name from OhEalaighthe, meaning ingenious. Their name was sometimes anglicized as Healihy. She was buried on July 6, 1908 at Calvary Catholic Cemetery, St. Louis, Missouri, in section 5, lot E, grave 499, depth R2, Cullinane Bros Funeral Home. According to Calvary Cemetery records she was buried R1 and was 67-years-old at burial.