married:
Jean OLIVER (b.~1895)
m.24 May 1916 Detroit, Wayne, MI

1. William James (b.~1918 CAN)
2. Thelma (b.~1924 NY)

1. Charlotte (b.1882)
2. Elsie Maud Ann (b.1884)
3. Ethel Augusta (b.1885)
4. William Blake (b.1887)
5. Lawrence Cecil (b.1896)
6. Myrtle Irene (b.1898)

1892 Ontario birth registration .. Lonzie Theodore Everingham, b.29 Feb 1892 North Cayuga township, Haldimand, Ontario... son of William Everingham & Caroline Humphrey.

1901 CENSUS Haldimand & Monck, Ontario, CANADA (Page 4, house #41)... William Everingham 41,.. Caroline 45,.. Charlotte J. 18,.. Blake 14,.. Alonzo T. 8,.. Lawrence C. 4,.. Myrtle L. 2. (all born in Ontario).

1912 Ontario marriage registration ... Alonzo T. Everingham & Jessie Louise Etling d/o Alexander Etling & Ella DeMont,... Married: 26 Dec 1912 in Wainfleet Twp., Welland County, Ontario, by Louis E. West, witness: Carrie Furry (of Lowbanks) and Blanche Etling (of Lowbanks)

1915 (Immigration) manifests of Alien arrivals at Buffalo, Niagara, NY ... Alonzo T. Everingham 24, b.Canfield, Ontario,.. departure contact "father, William"... arrival contact "friend, Mr. McConnell".

1916 Michigan Marriage registration ... Alonzo T. Everingham 24, b.CAN s/o William Everingham & Caroline Humphrey.... Jean Oliver 21, b.CAN d/o James & Anna Belle Oliver,... married 24 May 1916 at Detroit, Wayne Co., MI.

1923 (Immigration) manifests of Alien arrivals at Buffalo, Niagara, NY ... Alonzo Everingham 30, born in Canfield, ONT, arrival at Niagara Falls, NY April 28, 1923... departure contact; Wife Jean.

1925 STATE CENSUS Niagara Falls, Niagara, New York (Page 1, family #2701) ... Theo A. Everingham 32, b.CAN, yrs in U.S. 2,.. Jean Everingham 31, b.CAN, wife, yrs in U.S. 2,.. Thelma Everingham 1, b.US, daughter,.. wm. J. Everingham 7, b.CAN, son.

1929 (Immigration) manifests of Alien arrivals at Buffalo, Niagara, NY ... Alonzo Everyingham & William James Everingham, son, age 9, b.CAN, arrival port; Niagara Falls, NY,... departure contact; wife; Jeanne. Son William seemed to have aged only 2 years in a 4 year time-span.

1930 CENSUS Buffalo, Erie, NY (enDist 284, Sheet 6B) ... (line 58) Alonzo Everingham 38, b.CAN, married, immigrated to US in 1923, parents b.CAN.... (no further info)

looks like we will need to do some Canadian research between 1916-1923 to find Alonzo & Jean.