The phrase "evident to him" is correct and usable in written English.
You can use the phrase when you are referring to something that is obvious or apparent to a particular person. Example: The importance of the project was evident to him, so he worked hard to complete it.
But soon the purpose became evident to him.
Wallace was trying to write differently, but the path was not evident to him.
"He was always depressed," Reid said, adding that his father's depression was evident to him only in hindsight.
When he later saw Google Glass, Ive said, it was evident to him that the face "was the wrong place".
Burton Wiand, Mr. Sebastian's lawyer, said in a telephone interview that his client had been "deceived" by Mr. Risher and voluntarily reported the scheme to the S.E.C. and criminal authorities once it became evident to him.
Skyride's majority partner, Walter Threadgill, said it was evident to him that the Malkins did not feel that the virtual helicopter fit the spiffier image that they now prefer in a tenant.
He seems to think that if a policy is self-evident to him, then it follows that everyone else should see it the same way.
Because it is self-evident to Frank that people's true interests are material ones, it is also self-evident to him that conservatives can only be either deluders or deluded, knaves or fools.
Anselm's argument was not presented in order to prove God's existence; rather, Proslogion was a work of meditation in which he documented how the idea of God became self-evident to him.
Blair, looking back, imposes a sense of purpose on his "journey" that was probably not always evident, even to him, at the time.
A light-skinned black man whose racial identity was not always evident to those around him, he wrote white characters and black characters with equal zeal, as shown in episodes of "NYPD Blue" featuring the racially insensitive white police officer Andy Sipowicz (played by Dennis Franz) and the often seething black lieutenant Arthur Fancy James McDaniell).
