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Bill Thayer

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 [decorative delimiter] Class of 1839

Vol. I

(Born N. H.)

George Thom

(Ap'd N. H.)


Born Feb. 21, 1819, Derry, NH.

Military History. — Cadet at the Military Academy, July 1, 1835, to July 1, 1839, when he was graduated and promoted in the Army to

Bvt. Second Lieut., Top. Engineers, July 1, 1839.

Served: as Asst. Top. Engineer on Military Surveys on the Northern Frontier, 1839‑40, — on Survey of Delaware Breakwater harbor, 1840, —

(Second Lieut., Top. Engineers, July 18, 1840)

on Explorations and Surveys of Northeastern Frontier, 1840‑42, — and on Survey of the Boundary between the United States and the British Provinces, under the Treaty of Washington, 1842‑47; in the War with Mexico, 1847, was Aide-de‑Camp to Brig.‑General Pierce, July 1 to Aug. 6, 1847, being engaged in several skirmishes; in construction of Maps, etc., of the Boundary Survey between the United States and the British Provinces, and Re-survey of the Northern Boundaries of New York and Vermont, 1848‑53, — and of the Mexican Boundary Survey,

(First Lieut., Top. Engineers, Sep. 26, 1849)

1853‑56; and in charge of Military Roads in Minnesota, Wisconsin, and

(Captain, Top. Engineers, July 1, 1853, for Fourteen Years' Continuous Service)

Iowa, 1856‑58, — and of those in the Department of Oregon, 1858‑61.

 p742  Served during the Rebellion of the Seceding States, 1861‑66: as Chief

(Major, Top. Engineers, Sep. 9, 1861: Corps of Engineers, Mar. 3, 1863)

Topographical Engineer of the Department of the Missouri, Nov. 9, 1861,

(Colonel, Staff — Additional Aide-de‑Camp, Nov. 16, 1861, to May 31, 1866)

to Mar. 11, 1862, and of the Department of the Mississippi, Mar. 11 to July 11, 1862; as Member of the Board for the examination of the fortifications and system of defense of the City of St. Louis, Dec. 2, 1861, to Feb. 6, 1862, — and of Army and Navy Board, to examine the condition and fitness of the Mississippi Gun and Mortar-boat Flotilla, Dec. 9‑31, 1861; as Chief Top. Engineer, Apr. 15 to July 18, 1862, of the Armies commanded by Major-General Indicates a West Point graduate and gives his Class.Halleck in the Corinth Campaign, being engaged in the Advance up and Siege of Corinth, Mis., Apr. 15 to May 30, 1862; as Chief Top. Engineer on the Staff of Major-General Halleck, July 11, 1862, to Apr. 20, 1865; as President of a Commission to examine systems of proposed Telegraphy, Nov. 11 to Dec. 18, 1862, — and for examination of candidates for appointment in the Signal Corps, Apr. 13, 1863, to Apr., 1865; in locating defensive Block-houses for protection of the Baltimore and Ohio Railroad, Mar., 1863; as Member of special Military Commission, Jan. 27 to Dec., 1864, — of Board for the examination of Engineer Officers for promotion, July 2, 1864, to Apr. 17, 1865, — and of Board of Engineers to re-organize the defenses of Baltimore, Md., July 27‑31, 1864; on Reconnoissance of the Shenandoah Valley, Oct., 1864, being present at the Battle of Cedar Creek, Oct. 19,

(Bvt. Lieut.‑Col., Bvt. Colonel, and Bvt. Brig.‑General, U. S. Army, Mar. 13, 1865,
for Faithful and Meritorious Services during the Rebellion)

1865; as Chief Engineer of the Military Division of the James, Apr. 20 to June 7, 1865.

Served: as Superintending Engineer of Ft. Gorges, Me., July 21, 1865, to Aug. 5, 1868, — of Fts. Preble and Scammell, Me., Nov. 8, 1866, to Mar. 14, 1867, and Nov. 18, 1867, to Aug. 5, 1868, — of Fts. Popham

(Lieut.‑Colonel, Corps of Engineers, July 10, 1866)

and Knox, Me., Nov. 18, 1867, to Aug. 5, 1868; as Member of Board of Engineers for Improvement of Burlington Harbor, Vt., Ogdensburg Harbor, N. Y., Portland Harbor and Saco River, Me., June, 1867; in charge of Surveys and Improvement of Kennebec River, Me., Nov. 8, 1866, to Sep., 1877, — of Saco River and Breakwater, Me., Nov. 8, 1866, to Oct., 1873, — and of Portland Harbor and Penobscot River (at and below Bangor), Me., Nov. 8, 1866, to Jan. 16, 1883, — of Survey of St.

(Colonel, Corps of Engineers, Mar. 31, 1880)

Croix River, Me., 1867‑68, — of Survey and Improvement of Union River, Me., Mar. 20, 1867, to completion, in Aug., 1872, — of Back River (near Bath), Me., Mar. 20, 1867, to completion in Sep., 1882 — and of Richmond's Island Breakwater, Me., Mar. 20, 1867, to Sep. 1881, — of Survey of Fifteen-Mile-Falls, N. H., 1870‑71, — of Surveys and Improvements of Narraguagus River and Royals River, Me., July 18, 1870, to 1873, — and of Sullivan River and Falls, Me., July 18, 1870, to completion, in 1874, — and of Kennebunk River, Me., July 18, 1870, to Jan. 16, 1883, — and of Wells Harbor, Me., Mar. 21, 1871, to completion in Sep., 1873, — and of Cocheco River, N. H., May, 1871, to Jan. 16, 1883, — of Survey of Wareham Harbor, Mass., May 25, 1871, to June 30, 1872, — of Improvement of Hyannis Harbor, Mas., May 25, 1871, to June 30, 1872, — of Survey and Improvement of Taunton River, Mas., May 25, 1871, to June 30, 1872, and of Welfleet and Duxbury Harbors, Mas., May, 1871,  p743 to 1874, — of Survey and Improvement of Merrimac River, and of the Harbors of Boston, Newburyport, Gloucester, Plymouth, and Provincetown, Mas., May 25, 1871, to Jan. 16, 1883, — of Survey of Edgartown Harbor, Mas., 1872, — of Survey and Improvement of Salem Harbor, Mas., and Camden Harbor, Me., June 19, 1872, to Sep., 1875, and of Machias River, Me., June, 1872, to completion, Nov., 1876; of Surveys of Arostook River, Me., of Penobscot River (above Oldtown), Me., of Portsmouth Harbor, N. H. (for Breakwater), of Ipswich Bay (for Breakwater at Hodgkin's Cove), Mas., 1873, — of Survey and Improvement of Exeter River, N. H., 1874, to completion, in June, 1882, — and of Lamprey River, N. H., 1874, to completion, in 1882, — of Survey of Isles of Shoals, N. H. (for Breakwater), in 1874, — of Survey and Improvement of Hingham Harbor, Mas., July, 1874, to May, 1876, — of Survey of Matinicus Island Harbor, Me., of Ipswich River and Harbor, Mas., 1875, — of Survey and Improvement of Bucksport Narrows, Me., Mar., 1875, to completion, in 1878, and of Belfast Bay and Harbor, Me., Mar., 1875, to Jan. 16, 1883; as Member of Board of Engineers for Improvement of Stonington Harbor, Ct., July, 1875; and in charge of Survey of Lincolnville Harbor, Me., 1878, — of Survey and Improvement of Scituate Harbor, Mas., of Lubec Channel, Me., and Portsmouth Harbor, N. H., July 8, 1878 to Jan. 16, 1883, and of Cathance River, Me., Mar., 1879, to completion, in Oct., 1881, — of Survey and Improvement of Jonesport Harbor, Me., of Charles River and Mystic River, Mas., and Portsmouth Harbor, N. H., Mar., 1879, to Jan. 16, 1883, — and of Newburyport Harbor, N. H., Mar., 1879, to Jan. 6, 1883, — of Newburyport Harbor, Mas., Malden River, Mas., Richmond Harbor (Kennebec River), Me., and Rockland Harbor, Me., June, 1880, to Jan. 16, 1883; as Member of Board of Engineers for Improvement of Harbors of Rockland, Me., Newburyport, Mas., and Scituate, Mas., in Sep., 1880; in charge of St. Croix River Breakwater, Me., Mar., 1881, to its completion, in Dec., 1881, and of Survey of Brunswick Harbor and Harriseekit River, Me., of Lynn Harbor, Mas., and of Merrimac River, from Lawrence, Mas., to Manchester, N. H., in 1881‑82.

Retired from Active Service, at his own Request, Feb. 20, 1883,
he having served over 40 Years.

[Supplement, Vol. IV: 1890‑1900]

Vol. IV
Died June 29, 1891, at Washington, D. C.: Aged 72.

See Annual Association of Graduates, U. S. M. A., 1892, for an obituary notice.

Buried, Forest Hill Cemetery, East Derry, NH.

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