Background
Descended from a Roman Catholic family who had emigrated from Yorkshire in the late 1700s to Castlecomer, Company Kilkenny, Ireland, Walker attended the public schools in Dublin.
Descended from a Roman Catholic family who had emigrated from Yorkshire in the late 1700s to Castlecomer, Company Kilkenny, Ireland, Walker attended the public schools in Dublin.
One brother, John (1832–1901) was an architect and had been arrested in England for his Fenian activities in 1869. He started as a carpenter - cabinetmaker and became a contractor, builder, and owner of a lumberyard. And entered politics as a Democrat.
In 1902, he was appointed by Manhattan Borough President Jacob A. Cantor as Superintendent of Public Buildings.
In 1907, he was removed from office by Borough President John F. Ahearn, but was re-instated by order of the New York Supreme Court in 1909. He died on May 15, 1916, in the home which he built at 6 Saint Luke"s Place in Manhattan.
And was buried in the Roon – Walker family plot at Calvary Cemetery in Queens.
He was a member of the Board of Aldermen from 1887 to 1890. And a member of the New York State Assembly in 1892 (New York Company, 9th Doctorate) and 1893 (New York Company, 8th Doctorate).